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8974130357 = 17655380557
BaseRepresentation
bin10000101101110011…
…00101110010110101
3212011102102001112102
420112321211302311
5121334334132412
64042254431445
7435246564233
oct102671456265
925142361472
108974130357
113895731a65
1218a5502585
13b002c330a
14611bdd953
15377cbb8c2
hex216e65cb5

8974130357 has 8 divisors (see below), whose sum is σ = 9503588376. Its totient is φ = 8444846592.

The previous prime is 8974130329. The next prime is 8974130381. The reversal of 8974130357 is 7530314798.

It can be written as a sum of positive squares in 4 ways, for example, as 2023740196 + 6950390161 = 44986^2 + 83369^2 .

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 8974130357 - 28 = 8974130101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8974180357) 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, 71123 + ... + 151679.

It is an arithmetic number, because the mean of its divisors is an integer number (1187948547).

Almost surely, 28974130357 is an apocalyptic number.

It is an amenable number.

8974130357 is a deficient number, since it is larger than the sum of its proper divisors (529458019).

8974130357 is a wasteful number, since it uses less digits than its factorization.

8974130357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87127.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 8974130357 is about 94731.8866960856. The cubic root of 8974130357 is about 2078.0889094731.

The spelling of 8974130357 in words is "eight billion, nine hundred seventy-four million, one hundred thirty thousand, three hundred fifty-seven".

Divisors: 1 17 6553 80557 111401 1369469 527890021 8974130357