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82195716 = 22311296067
BaseRepresentation
bin1001110011000…
…11010100000100
312201122222022210
410321203110010
5132020230331
612053423420
72015436441
oct471432404
9181588283
1082195716
1142440949
122363ab70
131404b925
14acb89c8
157339446
hex4e63504

82195716 has 24 divisors (see below), whose sum is σ = 191991520. Its totient is φ = 27369792.

The previous prime is 82195709. The next prime is 82195717. The reversal of 82195716 is 61759128.

It is a super-2 number, since 2×821957162 = 13512271457505312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82195717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10515 + ... + 16581.

Almost surely, 282195716 is an apocalyptic number.

It is an amenable number.

82195716 is an abundant number, since it is smaller than the sum of its proper divisors (109795804).

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

82195716 is a wasteful number, since it uses less digits than its factorization.

82195716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7203 (or 7201 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 82195716 is about 9066.1853058494. The cubic root of 82195716 is about 434.7935180700.

The spelling of 82195716 in words is "eighty-two million, one hundred ninety-five thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 1129 2258 3387 4516 6067 6774 12134 13548 18201 24268 36402 72804 6849643 13699286 20548929 27398572 41097858 82195716