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64682193 = 350942359
BaseRepresentation
bin1111011010111…
…1100011010001
311111201012021210
43312233203101
5113024312233
610230210333
71413534552
oct366574321
9144635253
1064682193
1133569764
12197b39a9
13105291b4
14883a329
155a2a163
hex3daf8d1

64682193 has 8 divisors (see below), whose sum is σ = 86414400. Its totient is φ = 43035728.

The previous prime is 64682173. The next prime is 64682201. The reversal of 64682193 is 39128646.

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 64682193 - 224 = 47904977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64682153) 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, 19653 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (10801800).

Almost surely, 264682193 is an apocalyptic number.

It is an amenable number.

64682193 is a deficient number, since it is larger than the sum of its proper divisors (21732207).

64682193 is a wasteful number, since it uses less digits than its factorization.

64682193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42871.

The product of its digits is 62208, while the sum is 39.

The square root of 64682193 is about 8042.5240441046. The cubic root of 64682193 is about 401.4162153344.

The spelling of 64682193 in words is "sixty-four million, six hundred eighty-two thousand, one hundred ninety-three".

Divisors: 1 3 509 1527 42359 127077 21560731 64682193