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64051061 = 4113911239
BaseRepresentation
bin1111010001010…
…1011101110101
311110112010112112
43310111131311
5112344113221
610204500405
71405265534
oct364253565
9143463475
1064051061
1133178568
121954a705
1310367b49
14871431b
15595315b
hex3d15775

64051061 has 8 divisors (see below), whose sum is σ = 66091200. Its totient is φ = 62033760.

The previous prime is 64051051. The next prime is 64051063. The reversal of 64051061 is 16015046.

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

It is a cyclic number.

It is not a de Polignac number, because 64051061 - 222 = 59856757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64051063) 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, 80 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (8261400).

Almost surely, 264051061 is an apocalyptic number.

It is an amenable number.

64051061 is a deficient number, since it is larger than the sum of its proper divisors (2040139).

64051061 is a wasteful number, since it uses less digits than its factorization.

64051061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11419.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 64051061 is about 8003.1906762241. The cubic root of 64051061 is about 400.1063488057.

The spelling of 64051061 in words is "sixty-four million, fifty-one thousand, sixty-one".

Divisors: 1 41 139 5699 11239 460799 1562221 64051061