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74045313 = 3319913781
BaseRepresentation
bin1000110100111…
…01011110000001
312011022220002000
410122131132001
5122423422223
611203014213
71556242356
oct432353601
9164286060
1074045313
1138884381
122096a369
1312456bc4
149b9662d
156779543
hex469d781

74045313 has 16 divisors (see below), whose sum is σ = 110256000. Its totient is φ = 49111920.

The previous prime is 74045311. The next prime is 74045317. The reversal of 74045313 is 31354047.

It is not a de Polignac number, because 74045313 - 21 = 74045311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74045311) 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, 1518 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (6891000).

Almost surely, 274045313 is an apocalyptic number.

It is an amenable number.

74045313 is a deficient number, since it is larger than the sum of its proper divisors (36210687).

74045313 is a wasteful number, since it uses less digits than its factorization.

74045313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989 (or 13983 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 74045313 is about 8604.9586286048. The cubic root of 74045313 is about 419.9193212379.

The spelling of 74045313 in words is "seventy-four million, forty-five thousand, three hundred thirteen".

Divisors: 1 3 9 27 199 597 1791 5373 13781 41343 124029 372087 2742419 8227257 24681771 74045313