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64032004 = 2240012
BaseRepresentation
bin1111010001000…
…0110100000100
311110111011101201
43310100310010
5112343011004
610204232244
71405156141
oct364206404
9143434351
1064032004
1133165213
121953b684
131035c27a
14870b3c8
15594c6a4
hex3d10d04

64032004 has 9 divisors (see below), whose sum is σ = 112084021. Its totient is φ = 32008000.

The previous prime is 64031969. The next prime is 64032053. The reversal of 64032004 is 40023046.

Multipling 64032004 by its product of nonzero digits (576), we get a square (36882434304 = 1920482).

The square root of 64032004 is 8002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 61465600 = 1602^2 + 7840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14004 + ... + 18004.

Almost surely, 264032004 is an apocalyptic number.

64032004 is the 8002-nd square number.

It is an amenable number.

64032004 is a deficient number, since it is larger than the sum of its proper divisors (48052017).

64032004 is an frugal number, since it uses more digits than its factorization.

64032004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The cubic root of 64032004 is about 400.0666638892.

The spelling of 64032004 in words is "sixty-four million, thirty-two thousand, four", and thus it is an eban number.

Divisors: 1 2 4 4001 8002 16004 16008001 32016002 64032004