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82995288 = 23317891933
BaseRepresentation
bin1001111001001…
…10100001011000
312210011121010120
410330212201120
5132221322123
612122513240
72025306525
oct474464130
9183147116
1082995288
1142937652
1223965820
131426b84c
14b04614c
1574462e3
hex4f26858

82995288 has 32 divisors (see below), whose sum is σ = 207711600. Its totient is φ = 27635328.

The previous prime is 82995281. The next prime is 82995397. The reversal of 82995288 is 88259928.

It is a self number, because there is not a number n which added to its sum of digits gives 82995288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82995281) 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, 41970 + ... + 43902.

Almost surely, 282995288 is an apocalyptic number.

It is an amenable number.

82995288 is an abundant number, since it is smaller than the sum of its proper divisors (124716312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82995288 is a wasteful number, since it uses less digits than its factorization.

82995288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3727 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 82995288 is about 9110.1749708773. The cubic root of 82995288 is about 436.1988123399.

The spelling of 82995288 in words is "eighty-two million, nine hundred ninety-five thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 1789 1933 3578 3866 5367 5799 7156 7732 10734 11598 14312 15464 21468 23196 42936 46392 3458137 6916274 10374411 13832548 20748822 27665096 41497644 82995288