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82487044 = 2278726203
BaseRepresentation
bin1001110101010…
…10011100000100
312202012202221201
410322222130010
5132104041134
612103552244
72021062003
oct472523404
9182182851
1082487044
114261a812
122375b684
1314121403
14ad52c3a
157395914
hex4eaa704

82487044 has 12 divisors (see below), whose sum is σ = 144541264. Its totient is φ = 41189544.

The previous prime is 82487011. The next prime is 82487047. The reversal of 82487044 is 44078428.

It is a super-2 number, since 2×824870442 = 13608224855715872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82486994 and 82487012.

It is not an unprimeable number, because it can be changed into a prime (82487047) 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, 9954 + ... + 16249.

Almost surely, 282487044 is an apocalyptic number.

It is an amenable number.

82487044 is a deficient number, since it is larger than the sum of its proper divisors (62054220).

82487044 is a wasteful number, since it uses less digits than its factorization.

82487044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994 (or 26992 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 82487044 is about 9082.2378299624. The cubic root of 82487044 is about 435.3065949717.

The spelling of 82487044 in words is "eighty-two million, four hundred eighty-seven thousand, forty-four".

Divisors: 1 2 4 787 1574 3148 26203 52406 104812 20621761 41243522 82487044