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704793981 = 32027115901
BaseRepresentation
bin101010000000100…
…100110101111101
31211010012020120210
4222000210311331
52420411401411
6153534103033
723315435643
oct5200446575
91733166523
10704793981
11331924171
1217804aa79
13b302a478
1469865193
1541d1cca6
hex2a024d7d

704793981 has 8 divisors (see below), whose sum is σ = 940197024. Its totient is φ = 469626800.

The previous prime is 704793979. The next prime is 704794033. The reversal of 704793981 is 189397407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704793981 - 21 = 704793979 is a prime.

It is a super-2 number, since 2×7047939812 = 993469111307656722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704793981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704793911) 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, 51870 + ... + 64031.

It is an arithmetic number, because the mean of its divisors is an integer number (117524628).

Almost surely, 2704793981 is an apocalyptic number.

It is an amenable number.

704793981 is a deficient number, since it is larger than the sum of its proper divisors (235403043).

704793981 is a wasteful number, since it uses less digits than its factorization.

704793981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117931.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 704793981 is about 26547.9562490223. The cubic root of 704793981 is about 889.9263420083.

The spelling of 704793981 in words is "seven hundred four million, seven hundred ninety-three thousand, nine hundred eighty-one".

Divisors: 1 3 2027 6081 115901 347703 234931327 704793981