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64571342 = 21129101209
BaseRepresentation
bin1111011001010…
…0011111001110
311111111120020012
43312110133032
5113012240332
610223553222
71412563433
oct366243716
9144446205
1064571342
11334a3450
121975b812
13104ba8c4
14880bb8a
155a073b2
hex3d947ce

64571342 has 16 divisors (see below), whose sum is σ = 109306800. Its totient is φ = 28338240.

The previous prime is 64571323. The next prime is 64571363. The reversal of 64571342 is 24317546.

It is a junction number, because it is equal to n+sod(n) for n = 64571299 and 64571308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49967 + ... + 51242.

It is an arithmetic number, because the mean of its divisors is an integer number (6831675).

Almost surely, 264571342 is an apocalyptic number.

64571342 is a deficient number, since it is larger than the sum of its proper divisors (44735458).

64571342 is a wasteful number, since it uses less digits than its factorization.

64571342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101251.

The product of its digits is 20160, while the sum is 32.

The square root of 64571342 is about 8035.6295335213. The cubic root of 64571342 is about 401.1867712859.

Adding to 64571342 its reverse (24317546), we get a palindrome (88888888).

The spelling of 64571342 in words is "sixty-four million, five hundred seventy-one thousand, three hundred forty-two".

Divisors: 1 2 11 22 29 58 319 638 101209 202418 1113299 2226598 2935061 5870122 32285671 64571342