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284886969174025 = 5233757192
BaseRepresentation
bin100000011000110100110101…
…0100110010100100000001001
31101100200221001201011022121121
41000301221222212110200021
5244320042003102032100
62445523133351435241
7114002255450145451
oct10061515246244011
91340627051138547
10284886969174025
1182856981124489
1227b51005685b21
13c2c6958acccba
14504c86242cd61
1522e086cebe51a
hex1031a6a994809

284886969174025 has 9 divisors (see below), whose sum is σ = 353259946423111. Its totient is φ = 227909507824840.

The previous prime is 284886969174013. The next prime is 284886969174037. The reversal of 284886969174025 is 520471969688482.

The square root of 284886969174025 is 16878595.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (284886969174013) and next prime (284886969174037).

It can be written as a sum of positive squares in only one way, i.e., 102559308902649 + 182327660271376 = 10127157^2 + 13502876^2 .

It is not a de Polignac number, because 284886969174025 - 223 = 284886960785417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82705116 + ... + 86080834.

Almost surely, 2284886969174025 is an apocalyptic number.

284886969174025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

284886969174025 is the 16878595-th square number.

284886969174025 is the 8439298-th centered octagonal number.

It is an amenable number.

284886969174025 is a deficient number, since it is larger than the sum of its proper divisors (68372977249086).

284886969174025 is an frugal number, since it uses more digits than its factorization.

284886969174025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751448 (or 3375724 counting only the distinct ones).

The product of its (nonzero) digits is 3344302080, while the sum is 79.

The spelling of 284886969174025 in words is "two hundred eighty-four trillion, eight hundred eighty-six billion, nine hundred sixty-nine million, one hundred seventy-four thousand, twenty-five".

Divisors: 1 5 25 3375719 16878595 84392975 11395478766961 56977393834805 284886969174025