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74001039 = 3718231933
BaseRepresentation
bin1000110100100…
…10101010001111
312011020122100020
410122102222033
5122421013124
611202033223
71555666320
oct432225217
9164218306
1074001039
1138854092
1220948813
131243c9c8
149b84447
15676b379
hex4692a8f

74001039 has 16 divisors (see below), whose sum is σ = 112883712. Its totient is φ = 42241248.

The previous prime is 74001013. The next prime is 74001041. The reversal of 74001039 is 93010047.

It is not a de Polignac number, because 74001039 - 28 = 74000783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74001089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37317 + ... + 39249.

It is an arithmetic number, because the mean of its divisors is an integer number (7055232).

Almost surely, 274001039 is an apocalyptic number.

74001039 is a deficient number, since it is larger than the sum of its proper divisors (38882673).

74001039 is a wasteful number, since it uses less digits than its factorization.

74001039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 74001039 is about 8602.3856574790. The cubic root of 74001039 is about 419.8356102688.

The spelling of 74001039 in words is "seventy-four million, one thousand, thirty-nine".

Divisors: 1 3 7 21 1823 1933 5469 5799 12761 13531 38283 40593 3523859 10571577 24667013 74001039