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74057983 = 439168697
BaseRepresentation
bin1000110101000…
…00100011111111
312011100112110021
410122200203333
5122424323413
611203153011
71556324326
oct432404377
9164315407
1074057983
113889294a
1220975767
131245c8bc
149b9b0bd
15677d18d
hex46a08ff

74057983 has 4 divisors (see below), whose sum is σ = 74227120. Its totient is φ = 73888848.

The previous prime is 74057941. The next prime is 74058007. The reversal of 74057983 is 38975047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74057983 - 29 = 74057471 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 (74057903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83910 + ... + 84787.

It is an arithmetic number, because the mean of its divisors is an integer number (18556780).

Almost surely, 274057983 is an apocalyptic number.

74057983 is a deficient number, since it is larger than the sum of its proper divisors (169137).

74057983 is a wasteful number, since it uses less digits than its factorization.

74057983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169136.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 74057983 is about 8605.6948005376. The cubic root of 74057983 is about 419.9432708716.

The spelling of 74057983 in words is "seventy-four million, fifty-seven thousand, nine hundred eighty-three".

Divisors: 1 439 168697 74057983