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74462090 = 2561122069
BaseRepresentation
bin1000111000000…
…11001110001010
312012010001210012
410130003032022
5123030241330
611215551522
71562626433
oct434031612
9165101705
1074462090
113903951a
1220b2b5a2
1312571811
149c6448a
15680cc95
hex470338a

74462090 has 16 divisors (see below), whose sum is σ = 136230120. Its totient is φ = 29296320.

The previous prime is 74462077. The next prime is 74462107. The reversal of 74462090 is 9026447.

It can be written as a sum of positive squares in 4 ways, for example, as 15832441 + 58629649 = 3979^2 + 7657^2 .

It is an unprimeable number.

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, 60425 + ... + 61644.

Almost surely, 274462090 is an apocalyptic number.

74462090 is a deficient number, since it is larger than the sum of its proper divisors (61768030).

74462090 is a wasteful number, since it uses less digits than its factorization.

74462090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122137.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 74462090 is about 8629.1419040366. The cubic root of 74462090 is about 420.7057107590.

The spelling of 74462090 in words is "seventy-four million, four hundred sixty-two thousand, ninety".

Divisors: 1 2 5 10 61 122 305 610 122069 244138 610345 1220690 7446209 14892418 37231045 74462090