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71498372 = 22111624963
BaseRepresentation
bin1000100001011…
…11101010000100
311222112111022212
410100233222010
5121300421442
611032242552
71525504031
oct420575204
9158474285
1071498372
11373a4870
121bb40458
1311a7483a
1496d2388
156424a82
hex442fa84

71498372 has 12 divisors (see below), whose sum is σ = 136496976. Its totient is φ = 32499240.

The previous prime is 71498353. The next prime is 71498389. The reversal of 71498372 is 27389417.

It is a super-2 number, since 2×714983722 = 10224034397300768, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 812438 + ... + 812525.

It is an arithmetic number, because the mean of its divisors is an integer number (11374748).

Almost surely, 271498372 is an apocalyptic number.

It is an amenable number.

71498372 is a deficient number, since it is larger than the sum of its proper divisors (64998604).

71498372 is a wasteful number, since it uses less digits than its factorization.

71498372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624978 (or 1624976 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 71498372 is about 8455.6709964378. The cubic root of 71498372 is about 415.0483748709.

The spelling of 71498372 in words is "seventy-one million, four hundred ninety-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 1624963 3249926 6499852 17874593 35749186 71498372