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350347680 = 253559011
BaseRepresentation
bin10100111000011…
…110000110100000
3220102020111200000
4110320132012200
51204142111210
654433100000
711452622544
oct2470360640
9812214600
10350347680
1116a842441
12993b7600
1357778527
143475ba24
1520b56ac0
hex14e1e1a0

350347680 has 144 divisors (see below), whose sum is σ = 1239979104. Its totient is φ = 93415680.

The previous prime is 350347667. The next prime is 350347687. The reversal of 350347680 is 86743053.

It is a happy number.

350347680 is a `hidden beast` number, since 3 + 503 + 4 + 76 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350347687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34375 + ... + 43385.

It is an arithmetic number, because the mean of its divisors is an integer number (8610966).

Almost surely, 2350347680 is an apocalyptic number.

350347680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350347680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619989552).

350347680 is an abundant number, since it is smaller than the sum of its proper divisors (889631424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

350347680 is an equidigital number, since it uses as much as digits as its factorization.

350347680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041 (or 9021 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 350347680 is about 18717.5767662377. The cubic root of 350347680 is about 704.9631488207.

The spelling of 350347680 in words is "three hundred fifty million, three hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 810 864 972 1080 1215 1296 1440 1620 1944 2160 2430 2592 3240 3888 4320 4860 6480 7776 9011 9720 12960 18022 19440 27033 36044 38880 45055 54066 72088 81099 90110 108132 135165 144176 162198 180220 216264 243297 270330 288352 324396 360440 405495 432528 486594 540660 648792 720880 729891 810990 865056 973188 1081320 1216485 1297584 1441760 1459782 1621980 1946376 2162640 2189673 2432970 2595168 2919564 3243960 3649455 3892752 4325280 4379346 4865940 5839128 6487920 7298910 7785504 8758692 9731880 10948365 11678256 12975840 14597820 17517384 19463760 21896730 23356512 29195640 35034768 38927520 43793460 58391280 70069536 87586920 116782560 175173840 350347680