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74520942 = 2319165027
BaseRepresentation
bin1000111000100…
…01100101101110
312012020001111220
410130101211232
5123034132232
611221124210
71563263136
oct434214556
9165201456
1074520942
1139079761
1220b59666
1312592542
149c7bac6
15682042c
hex471196e

74520942 has 16 divisors (see below), whose sum is σ = 149824512. Its totient is φ = 24709880.

The previous prime is 74520893. The next prime is 74520947. The reversal of 74520942 is 24902547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74520947) 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, 31368 + ... + 33659.

It is an arithmetic number, because the mean of its divisors is an integer number (9364032).

Almost surely, 274520942 is an apocalyptic number.

74520942 is an abundant number, since it is smaller than the sum of its proper divisors (75303570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74520942 is a wasteful number, since it uses less digits than its factorization.

74520942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65223.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 74520942 is about 8632.5513030621. The cubic root of 74520942 is about 420.8165181618.

The spelling of 74520942 in words is "seventy-four million, five hundred twenty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 191 382 573 1146 65027 130054 195081 390162 12420157 24840314 37260471 74520942