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74247023 = 412397577
BaseRepresentation
bin1000110110011…
…10101101101111
312011201010202202
410123032231233
5123001401043
611211212115
71561042424
oct433165557
9164633682
1074247023
1138a01984
1220a4703b
13124c7966
149c09d4b
1567b91b8
hex46ceb6f

74247023 has 8 divisors (see below), whose sum is σ = 76386240. Its totient is φ = 72123520.

The previous prime is 74246971. The next prime is 74247037. The reversal of 74247023 is 32074247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74247023 - 210 = 74245999 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 (74247053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (9548280).

Almost surely, 274247023 is an apocalyptic number.

74247023 is a deficient number, since it is larger than the sum of its proper divisors (2139217).

74247023 is a wasteful number, since it uses less digits than its factorization.

74247023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 74247023 is about 8616.6712250149. The cubic root of 74247023 is about 420.3002822363.

The spelling of 74247023 in words is "seventy-four million, two hundred forty-seven thousand, twenty-three".

Divisors: 1 41 239 7577 9799 310657 1810903 74247023