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74049886 = 2317316361
BaseRepresentation
bin1000110100111…
…10100101011110
312011100010100101
410122132211132
5122424044021
611203051314
71556261611
oct432364536
9164303311
1074049886
1138887859
1220970b3a
1312459001
149b98178
15677aa91
hex469e95e

74049886 has 16 divisors (see below), whose sum is σ = 116235648. Its totient is φ = 35337600.

The previous prime is 74049883. The next prime is 74049907. The reversal of 74049886 is 68894047.

It is a happy number.

It is a super-2 number, since 2×740498862 = 10966771233225992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74049883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655 + ... + 12706.

It is an arithmetic number, because the mean of its divisors is an integer number (7264728).

Almost surely, 274049886 is an apocalyptic number.

74049886 is a deficient number, since it is larger than the sum of its proper divisors (42185762).

74049886 is a wasteful number, since it uses less digits than its factorization.

74049886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 74049886 is about 8605.2243433858. The cubic root of 74049886 is about 419.9279657262.

The spelling of 74049886 in words is "seventy-four million, forty-nine thousand, eight hundred eighty-six".

Divisors: 1 2 31 62 73 146 2263 4526 16361 32722 507191 1014382 1194353 2388706 37024943 74049886