Search a number
-
+
434961920 = 2951311297
BaseRepresentation
bin11001111011001…
…111111000000000
31010022110100120202
4121323033320000
51342322240140
6111054424332
713531054361
oct3173177000
91108410522
10434961920
11203585368
121018020a8
136c162c23
1441aa5b68
15282bc915
hex19ecfe00

434961920 has 80 divisors (see below), whose sum is σ = 1051660368. Its totient is φ = 172523520.

The previous prime is 434961911. The next prime is 434961929. The reversal of 434961920 is 29169434.

It is an interprime number because it is at equal distance from previous prime (434961911) and next prime (434961929).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434961929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334712 + ... + 336008.

Almost surely, 2434961920 is an apocalyptic number.

434961920 is a gapful number since it is divisible by the number (40) 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 434961920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525830184).

434961920 is an abundant number, since it is smaller than the sum of its proper divisors (616698448).

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

434961920 is a wasteful number, since it uses less digits than its factorization.

434961920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 434961920 is about 20855.7406965085. The cubic root of 434961920 is about 757.6763748225.

The spelling of 434961920 in words is "four hundred thirty-four million, nine hundred sixty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 131 160 256 262 320 512 524 640 655 1048 1280 1297 1310 2096 2560 2594 2620 4192 5188 5240 6485 8384 10376 10480 12970 16768 20752 20960 25940 33536 41504 41920 51880 67072 83008 83840 103760 166016 167680 169907 207520 332032 335360 339814 415040 664064 679628 830080 849535 1359256 1660160 1699070 2718512 3320320 3398140 5437024 6796280 10874048 13592560 21748096 27185120 43496192 54370240 86992384 108740480 217480960 434961920