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64192144 = 2420032
BaseRepresentation
bin1111010011011…
…1111010010000
311110210022001211
43310313322100
5112413122034
610211505504
71406424052
oct364677220
9143708054
1064192144
1133264565
12195b8294
13103b7123
14874d8d2
15597ed64
hex3d37e90

64192144 has 15 divisors (see below), whose sum is σ = 124434403. Its totient is φ = 32080048.

The previous prime is 64192133. The next prime is 64192147. The reversal of 64192144 is 44129146.

The square root of 64192144 is 8012.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64192147) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31047 + ... + 33049.

Almost surely, 264192144 is an apocalyptic number.

64192144 is the 8012-nd square number.

It is an amenable number.

64192144 is a deficient number, since it is larger than the sum of its proper divisors (60242259).

64192144 is an frugal number, since it uses more digits than its factorization.

64192144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014 (or 2005 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The cubic root of 64192144 is about 400.3999000666.

The spelling of 64192144 in words is "sixty-four million, one hundred ninety-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 2003 4006 8012 16024 32048 4012009 8024018 16048036 32096072 64192144