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64027670 = 2574012281
BaseRepresentation
bin1111010000111…
…1110000010110
311110110221110012
43310033300112
5112342341140
610204200222
71405140410
oct364176026
9143427405
1064027670
1133161a33
1219539072
131035a2c5
1487099b0
15594b265
hex3d0fc16

64027670 has 32 divisors (see below), whose sum is σ = 132100416. Its totient is φ = 21888000.

The previous prime is 64027651. The next prime is 64027673. The reversal of 64027670 is 7672046.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64027673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26930 + ... + 29210.

It is an arithmetic number, because the mean of its divisors is an integer number (4128138).

Almost surely, 264027670 is an apocalyptic number.

64027670 is an abundant number, since it is smaller than the sum of its proper divisors (68072746).

64027670 is a wasteful number, since it uses less digits than its factorization.

64027670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 64027670 is about 8001.7291881193. The cubic root of 64027670 is about 400.0576375277.

The spelling of 64027670 in words is "sixty-four million, twenty-seven thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 401 802 2005 2281 2807 4010 4562 5614 11405 14035 15967 22810 28070 31934 79835 159670 914681 1829362 4573405 6402767 9146810 12805534 32013835 64027670