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64274045 = 5111168619
BaseRepresentation
bin1111010100101…
…1111001111101
311110221110102012
43311023321331
5112423232140
610213341005
71410214613
oct365137175
9143843365
1064274045
1133310050
1219637765
13104154a4
1487716b3
155999265
hex3d4be7d

64274045 has 8 divisors (see below), whose sum is σ = 84140640. Its totient is φ = 46744720.

The previous prime is 64274039. The next prime is 64274047. The reversal of 64274045 is 54047246.

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

It is not a de Polignac number, because 64274045 - 210 = 64273021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64274047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584255 + ... + 584364.

It is an arithmetic number, because the mean of its divisors is an integer number (10517580).

Almost surely, 264274045 is an apocalyptic number.

It is an amenable number.

64274045 is a deficient number, since it is larger than the sum of its proper divisors (19866595).

64274045 is a wasteful number, since it uses less digits than its factorization.

64274045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168635.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 64274045 is about 8017.1095165278. The cubic root of 64274045 is about 400.5701141220.

The spelling of 64274045 in words is "sixty-four million, two hundred seventy-four thousand, forty-five".

Divisors: 1 5 11 55 1168619 5843095 12854809 64274045