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64285195 = 5131377219
BaseRepresentation
bin1111010100111…
…0101000001011
311110222000201011
43311032220023
5112424111240
610213504351
71410262252
oct365165013
9143860634
1064285195
1133318467
12196420b7
131041a5a0
148775799
15599c6ea
hex3d4ea0b

64285195 has 16 divisors (see below), whose sum is σ = 83694240. Its totient is φ = 47119104.

The previous prime is 64285181. The next prime is 64285217. The reversal of 64285195 is 59158246.

It is a cyclic number.

It is not a de Polignac number, because 64285195 - 25 = 64285163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5296 + ... + 12514.

It is an arithmetic number, because the mean of its divisors is an integer number (5230890).

Almost surely, 264285195 is an apocalyptic number.

64285195 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64285195 is a deficient number, since it is larger than the sum of its proper divisors (19409045).

64285195 is a wasteful number, since it uses less digits than its factorization.

64285195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374.

The product of its digits is 86400, while the sum is 40.

The square root of 64285195 is about 8017.8048741535. The cubic root of 64285195 is about 400.5932758743.

The spelling of 64285195 in words is "sixty-four million, two hundred eighty-five thousand, one hundred ninety-five".

Divisors: 1 5 13 65 137 685 1781 7219 8905 36095 93847 469235 989003 4945015 12857039 64285195