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424339680 = 25353723893
BaseRepresentation
bin11001010010101…
…110100011100000
31002120110200121110
4121102232203200
51332112332210
6110035023320
713341553632
oct3122564340
91076420543
10424339680
111a858a756
12ba13ab40
1369bb408b
14404dca52
15273c0420
hex194ae8e0

424339680 has 96 divisors (see below), whose sum is σ = 1372853664. Its totient is φ = 110094336.

The previous prime is 424339679. The next prime is 424339691. The reversal of 424339680 is 86933424.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5814 + ... + 29706.

It is an arithmetic number, because the mean of its divisors is an integer number (14300559).

Almost surely, 2424339680 is an apocalyptic number.

424339680 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 424339680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686426832).

424339680 is an abundant number, since it is smaller than the sum of its proper divisors (948513984).

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

424339680 is a wasteful number, since it uses less digits than its factorization.

424339680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23948 (or 23940 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 424339680 is about 20599.5067902122. The cubic root of 424339680 is about 751.4577160275.

The spelling of 424339680 in words is "four hundred twenty-four million, three hundred thirty-nine thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 74 80 96 111 120 148 160 185 222 240 296 370 444 480 555 592 740 888 1110 1184 1480 1776 2220 2960 3552 4440 5920 8880 17760 23893 47786 71679 95572 119465 143358 191144 238930 286716 358395 382288 477860 573432 716790 764576 884041 955720 1146864 1433580 1768082 1911440 2293728 2652123 2867160 3536164 3822880 4420205 5304246 5734320 7072328 8840410 10608492 11468640 13260615 14144656 17680820 21216984 26521230 28289312 35361640 42433968 53042460 70723280 84867936 106084920 141446560 212169840 424339680