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64064004 = 2235338667
BaseRepresentation
bin1111010001100…
…0101000000100
311110112210021220
43310120220010
5112400022004
610205040340
71405351344
oct364305004
9143483256
1064064004
1133187264
12195560b0
13103709c4
148718d24
155956dd9
hex3d18a04

64064004 has 12 divisors (see below), whose sum is σ = 149482704. Its totient is φ = 21354664.

The previous prime is 64063981. The next prime is 64064051. The reversal of 64064004 is 40046046.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669322 + ... + 2669345.

It is an arithmetic number, because the mean of its divisors is an integer number (12456892).

Almost surely, 264064004 is an apocalyptic number.

It is an amenable number.

64064004 is an abundant number, since it is smaller than the sum of its proper divisors (85418700).

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

64064004 is a wasteful number, since it uses less digits than its factorization.

64064004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338674 (or 5338672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64064004 is about 8003.9992503748. Note that the first 3 decimals coincide. The cubic root of 64064004 is about 400.1332972413.

The spelling of 64064004 in words is "sixty-four million, sixty-four thousand, four", and thus it is an eban number.

Divisors: 1 2 3 4 6 12 5338667 10677334 16016001 21354668 32032002 64064004