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64701934 = 21112292393
BaseRepresentation
bin1111011011010…
…0010111101110
311111202012100221
43312310113232
5113030430214
610230441554
71413646243
oct366642756
9144665327
1064701934
1133582580
12198032ba
131053518b
1488435ca
155a30e24
hex3db45ee

64701934 has 16 divisors (see below), whose sum is σ = 106006320. Its totient is φ = 29373760.

The previous prime is 64701893. The next prime is 64701943. The reversal of 64701934 is 43910746.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64701934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25842 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (6625395).

Almost surely, 264701934 is an apocalyptic number.

64701934 is a deficient number, since it is larger than the sum of its proper divisors (41304386).

64701934 is a wasteful number, since it uses less digits than its factorization.

64701934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 64701934 is about 8043.7512393161. The cubic root of 64701934 is about 401.4570485792.

The spelling of 64701934 in words is "sixty-four million, seven hundred one thousand, nine hundred thirty-four".

Divisors: 1 2 11 22 1229 2393 2458 4786 13519 26323 27038 52646 2940997 5881994 32350967 64701934