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82415968 = 252575499
BaseRepresentation
bin1001110100110…
…01000101100000
312202002011110021
410322121011200
5132044302333
612102243224
72020344535
oct472310540
9182064407
1082415968
1142581378
1223726514
13140c7c5b
14ad34d8c
15737e82d
hex4e99160

82415968 has 12 divisors (see below), whose sum is σ = 162256500. Its totient is φ = 41207968.

The previous prime is 82415959. The next prime is 82415981. The reversal of 82415968 is 86951428.

It is a happy number.

It is a super-4 number, since 4×824159684 (a number of 33 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1287718 + ... + 1287781.

It is an arithmetic number, because the mean of its divisors is an integer number (13521375).

Almost surely, 282415968 is an apocalyptic number.

It is an amenable number.

82415968 is a deficient number, since it is larger than the sum of its proper divisors (79840532).

82415968 is a wasteful number, since it uses less digits than its factorization.

82415968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575509 (or 2575501 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 82415968 is about 9078.3240744093. The cubic root of 82415968 is about 435.1815299075.

The spelling of 82415968 in words is "eighty-two million, four hundred fifteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 2575499 5150998 10301996 20603992 41207984 82415968