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82445927 = 292842963
BaseRepresentation
bin1001110101000…
…00011001100111
312202010200112212
410322200121213
5132101232202
612103034035
72020531064
oct472403147
9182120485
1082445927
11425a1933
122373b91b
1314108795
14ad41c6b
157388652
hex4ea0667

82445927 has 4 divisors (see below), whose sum is σ = 85288920. Its totient is φ = 79602936.

The previous prime is 82445917. The next prime is 82445939. The reversal of 82445927 is 72954428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82445927 - 26 = 82445863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82445917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421453 + ... + 1421510.

It is an arithmetic number, because the mean of its divisors is an integer number (21322230).

Almost surely, 282445927 is an apocalyptic number.

82445927 is a deficient number, since it is larger than the sum of its proper divisors (2842993).

82445927 is a wasteful number, since it uses less digits than its factorization.

82445927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842992.

The product of its digits is 161280, while the sum is 41.

The square root of 82445927 is about 9079.9739537071. The cubic root of 82445927 is about 435.2342544151.

The spelling of 82445927 in words is "eighty-two million, four hundred forty-five thousand, nine hundred twenty-seven".

Divisors: 1 29 2842963 82445927