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25716982 = 213819311
BaseRepresentation
bin110001000011…
…0100011110110
31210101120001211
41202012203312
523040420412
62315112034
7431406424
oct142064366
953346054
1025716982
1113575605
12874261a
135435665
1435b6114
1523ceca7
hex18868f6

25716982 has 8 divisors (see below), whose sum is σ = 38607552. Its totient is φ = 12847800.

The previous prime is 25716973. The next prime is 25716983. The reversal of 25716982 is 28961752.

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

It is a super-2 number, since 2×257169822 = 1322726326376648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25716983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (4825944).

Almost surely, 225716982 is an apocalyptic number.

25716982 is a deficient number, since it is larger than the sum of its proper divisors (12890570).

25716982 is a wasteful number, since it uses less digits than its factorization.

25716982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10694.

The product of its digits is 60480, while the sum is 40.

The square root of 25716982 is about 5071.1913787590. The cubic root of 25716982 is about 295.1707600854.

The spelling of 25716982 in words is "twenty-five million, seven hundred sixteen thousand, nine hundred eighty-two".

Divisors: 1 2 1381 2762 9311 18622 12858491 25716982