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74742053 = 1032413011
BaseRepresentation
bin1000111010001…
…11100100100101
312012122021211012
410131013210211
5123113221203
611225552005
71565203601
oct435074445
9165567735
1074742053
113920a8a1
1221045605
131263c089
149cd8501
156865bd8
hex4747925

74742053 has 8 divisors (see below), whose sum is σ = 75806016. Its totient is φ = 73684800.

The previous prime is 74742049. The next prime is 74742061. The reversal of 74742053 is 35024747.

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 74742053 - 22 = 74742049 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 (74742043) 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 7 ways as a sum of consecutive naturals, for example, 23318 + ... + 26328.

It is an arithmetic number, because the mean of its divisors is an integer number (9475752).

Almost surely, 274742053 is an apocalyptic number.

It is an amenable number.

74742053 is a deficient number, since it is larger than the sum of its proper divisors (1063963).

74742053 is a wasteful number, since it uses less digits than its factorization.

74742053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 74742053 is about 8645.3486338030. The cubic root of 74742053 is about 421.2323086020.

The spelling of 74742053 in words is "seventy-four million, seven hundred forty-two thousand, fifty-three".

Divisors: 1 103 241 3011 24823 310133 725651 74742053