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74445982 = 21311325339
BaseRepresentation
bin1000110111111…
…11010010011110
312012002020200121
410123333102132
5123024232412
611215345154
71562531452
oct433772236
9165066617
1074445982
1139028406
1220b221ba
13125673a0
149c5c662
156808107
hex46ff49e

74445982 has 16 divisors (see below), whose sum is σ = 121327920. Its totient is φ = 34054272.

The previous prime is 74445977. The next prime is 74445983. The reversal of 74445982 is 28954447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74445983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9732 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (7582995).

Almost surely, 274445982 is an apocalyptic number.

74445982 is a deficient number, since it is larger than the sum of its proper divisors (46881938).

74445982 is a wasteful number, since it uses less digits than its factorization.

74445982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467.

The product of its digits is 322560, while the sum is 43.

The square root of 74445982 is about 8628.2085046665. The cubic root of 74445982 is about 420.6753722055.

The spelling of 74445982 in words is "seventy-four million, four hundred forty-five thousand, nine hundred eighty-two".

Divisors: 1 2 13 26 113 226 1469 2938 25339 50678 329407 658814 2863307 5726614 37222991 74445982