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8857141438 = 2231396472141
BaseRepresentation
bin10000011111110110…
…10100000010111110
3211212021021101220111
420033323110002332
5121114412011223
64022515140234
7432326313535
oct101773240276
924767241814
108857141438
113835697502
1218722a467a
13ab1cb1ac2
1460046931c
1536c8ad30d
hex20fed40be

8857141438 has 32 divisors (see below), whose sum is σ = 13991201280. Its totient is φ = 4197087840.

The previous prime is 8857141421. The next prime is 8857141439. The reversal of 8857141438 is 8341417588.

It is a junction number, because it is equal to n+sod(n) for n = 8857141391 and 8857141400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857141439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135848 + ... + 4137988.

It is an arithmetic number, because the mean of its divisors is an integer number (437225040).

Almost surely, 28857141438 is an apocalyptic number.

8857141438 is a deficient number, since it is larger than the sum of its proper divisors (5134059842).

8857141438 is a wasteful number, since it uses less digits than its factorization.

8857141438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its digits is 860160, while the sum is 49.

The square root of 8857141438 is about 94112.3872718145. The cubic root of 8857141438 is about 2069.0192276331.

The spelling of 8857141438 in words is "eight billion, eight hundred fifty-seven million, one hundred forty-one thousand, four hundred thirty-eight".

Divisors: 1 2 23 46 139 278 647 1294 2141 3197 4282 6394 14881 29762 49243 89933 98486 179866 297599 595198 1385227 2068459 2770454 4136918 6844777 13689554 31860221 63720442 192546553 385093106 4428570719 8857141438