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74037253 = 232173809
BaseRepresentation
bin1000110100110…
…11100000000101
312011022111000111
410122123200011
5122423143003
611202513021
71556210023
oct432334005
9164274014
1074037253
1138879314
1220965771
1312453334
149b93713
156776e6d
hex469b805

74037253 has 12 divisors (see below), whose sum is σ = 77939820. Its totient is φ = 70321856.

The previous prime is 74037251. The next prime is 74037277. The reversal of 74037253 is 35273047.

It can be written as a sum of positive squares in 2 ways, for example, as 66292164 + 7745089 = 8142^2 + 2783^2 .

It is not a de Polignac number, because 74037253 - 21 = 74037251 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 (74037251) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 91113 + ... + 91921.

It is an arithmetic number, because the mean of its divisors is an integer number (6494985).

Almost surely, 274037253 is an apocalyptic number.

It is an amenable number.

74037253 is a deficient number, since it is larger than the sum of its proper divisors (3902567).

74037253 is a wasteful number, since it uses less digits than its factorization.

74037253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 74037253 is about 8604.4902812427. The cubic root of 74037253 is about 419.9040842954.

The spelling of 74037253 in words is "seventy-four million, thirty-seven thousand, two hundred fifty-three".

Divisors: 1 23 173 529 809 3979 18607 91517 139957 427961 3219011 74037253