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393274085 = 51031814219
BaseRepresentation
bin10111011100001…
…110001011100101
31000102000101121212
4113130032023211
51301134232320
6103005121205
712513526451
oct2734161345
91012011555
10393274085
11191aa1706
12ab859205
1363628079
143a333661
15247d59c5
hex1770e2e5

393274085 has 16 divisors (see below), whose sum is σ = 479256960. Its totient is φ = 309769920.

The previous prime is 393274069. The next prime is 393274093. The reversal of 393274085 is 580472393.

It is not a de Polignac number, because 393274085 - 24 = 393274069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91106 + ... + 95324.

It is an arithmetic number, because the mean of its divisors is an integer number (29953560).

Almost surely, 2393274085 is an apocalyptic number.

It is an amenable number.

393274085 is a deficient number, since it is larger than the sum of its proper divisors (85982875).

393274085 is a wasteful number, since it uses less digits than its factorization.

393274085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 393274085 is about 19831.1392764006. The cubic root of 393274085 is about 732.6531869860.

The spelling of 393274085 in words is "three hundred ninety-three million, two hundred seventy-four thousand, eighty-five".

Divisors: 1 5 103 181 515 905 4219 18643 21095 93215 434557 763639 2172785 3818195 78654817 393274085