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74467142 = 2432393623
BaseRepresentation
bin1000111000001…
…00011101000110
312012010022201022
410130010131012
5123030422032
611220031142
71562650241
oct434043506
9165108638
1074467142
11390422a2
1220b324b2
1312573bc9
149c66258
15680e512
hex4704746

74467142 has 16 divisors (see below), whose sum is σ = 114808320. Its totient is φ = 36205512.

The previous prime is 74467139. The next prime is 74467147. The reversal of 74467142 is 24176447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74467147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18743 + ... + 22365.

It is an arithmetic number, because the mean of its divisors is an integer number (7175520).

Almost surely, 274467142 is an apocalyptic number.

74467142 is a deficient number, since it is larger than the sum of its proper divisors (40341178).

74467142 is a wasteful number, since it uses less digits than its factorization.

74467142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its digits is 37632, while the sum is 35.

The square root of 74467142 is about 8629.4346280623. The cubic root of 74467142 is about 420.7152250285.

The spelling of 74467142 in words is "seventy-four million, four hundred sixty-seven thousand, one hundred forty-two".

Divisors: 1 2 43 86 239 478 3623 7246 10277 20554 155789 311578 865897 1731794 37233571 74467142