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64030074 = 234724831
BaseRepresentation
bin1111010001000…
…0010101111010
311110111001202020
43310100111322
5112342430244
610204215310
71405150413
oct364202572
9143431666
1064030074
1133163819
121953a536
131035b424
14870a80a
15594bd19
hex3d1057a

64030074 has 24 divisors (see below), whose sum is σ = 130869888. Its totient is φ = 20884920.

The previous prime is 64030067. The next prime is 64030079. The reversal of 64030074 is 47003046.

64030074 = T325 + T326 + ... + T747.

64030074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64030079) 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 11 ways as a sum of consecutive naturals, for example, 10839 + ... + 15669.

It is an arithmetic number, because the mean of its divisors is an integer number (5452912).

Almost surely, 264030074 is an apocalyptic number.

64030074 is an abundant number, since it is smaller than the sum of its proper divisors (66839814).

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

64030074 is a wasteful number, since it uses less digits than its factorization.

64030074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930 (or 4883 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 64030074 is about 8001.8794042400. The cubic root of 64030074 is about 400.0626443554.

The spelling of 64030074 in words is "sixty-four million, thirty thousand, seventy-four".

Divisors: 1 2 3 6 47 94 141 282 2209 4418 4831 6627 9662 13254 14493 28986 227057 454114 681171 1362342 10671679 21343358 32015037 64030074