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992866025 = 52113351457
BaseRepresentation
bin111011001011011…
…110111011101001
32120012020211010202
4323023132323221
54013133203100
6242304321545
733414136064
oct7313367351
92505224122
10992866025
1146a4a0a38
122386132b5
1312a90ccb8
1495c118db
155c2727d5
hex3b2deee9

992866025 has 12 divisors (see below), whose sum is σ = 1242052572. Its totient is φ = 787261440.

The previous prime is 992866009. The next prime is 992866031. The reversal of 992866025 is 520668299.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 458516569 + 534349456 = 21413^2 + 23116^2 .

It is not a de Polignac number, because 992866025 - 24 = 992866009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172904 + ... + 178553.

It is an arithmetic number, because the mean of its divisors is an integer number (103504381).

Almost surely, 2992866025 is an apocalyptic number.

It is an amenable number.

992866025 is a deficient number, since it is larger than the sum of its proper divisors (249186547).

992866025 is a wasteful number, since it uses less digits than its factorization.

992866025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351580 (or 351575 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 992866025 is about 31509.7766574122. The cubic root of 992866025 is about 997.6163309699.

The spelling of 992866025 in words is "nine hundred ninety-two million, eight hundred sixty-six thousand, twenty-five".

Divisors: 1 5 25 113 565 2825 351457 1757285 8786425 39714641 198573205 992866025