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64513401 = 329697243
BaseRepresentation
bin1111011000011…
…0010101111001
311111101121202020
43312012111321
5113003412101
610222425053
71412232501
oct366062571
9144347666
1064513401
1133463967
1219732189
131049a414
1487d4a01
1559e5136
hex3d86579

64513401 has 8 divisors (see below), whose sum is σ = 86058720. Its totient is φ = 42988512.

The previous prime is 64513381. The next prime is 64513433. The reversal of 64513401 is 10431546.

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

It is not a de Polignac number, because 64513401 - 210 = 64512377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64513441) 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, 5286 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (10757340).

Almost surely, 264513401 is an apocalyptic number.

It is an amenable number.

64513401 is a deficient number, since it is larger than the sum of its proper divisors (21545319).

64513401 is a wasteful number, since it uses less digits than its factorization.

64513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 64513401 is about 8032.0234685912. The cubic root of 64513401 is about 401.0667380625.

Adding to 64513401 its reverse (10431546), we get a palindrome (74944947).

The spelling of 64513401 in words is "sixty-four million, five hundred thirteen thousand, four hundred one".

Divisors: 1 3 2969 7243 8907 21729 21504467 64513401