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64090074 = 2310681679
BaseRepresentation
bin1111010001111…
…0111111011010
311110121010001110
43310132333122
5112401340244
610205401150
71405520346
oct364367732
9143533043
1064090074
11331a4904
12195691b6
131037c829
148724626
15595e9b9
hex3d1efda

64090074 has 8 divisors (see below), whose sum is σ = 128180160. Its totient is φ = 21363356.

The previous prime is 64090073. The next prime is 64090079. The reversal of 64090074 is 47009046.

It is a sphenic number, since it is the product of 3 distinct primes.

64090074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (64090073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340834 + ... + 5340845.

It is an arithmetic number, because the mean of its divisors is an integer number (16022520).

Almost surely, 264090074 is an apocalyptic number.

64090074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64090074 is a wasteful number, since it uses less digits than its factorization.

64090074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681684.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 64090074 is about 8005.6276456003. The cubic root of 64090074 is about 400.1875662002.

The spelling of 64090074 in words is "sixty-four million, ninety thousand, seventy-four".

Divisors: 1 2 3 6 10681679 21363358 32045037 64090074