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65315201 = 7611511013
BaseRepresentation
bin1111100100101…
…0000110000001
311112220100121112
43321022012001
5113210041301
610251533105
71422112220
oct371120601
9145810545
1065315201
1133961306
1219a5a195
13106bb363
148962cb7
155b029bb
hex3e4a181

65315201 has 16 divisors (see below), whose sum is σ = 76447488. Its totient is φ = 54648000.

The previous prime is 65315197. The next prime is 65315219. The reversal of 65315201 is 10251356.

It is a cyclic number.

It is not a de Polignac number, because 65315201 - 22 = 65315197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65315251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63971 + ... + 64983.

It is an arithmetic number, because the mean of its divisors is an integer number (4777968).

Almost surely, 265315201 is an apocalyptic number.

65315201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65315201 is a deficient number, since it is larger than the sum of its proper divisors (11132287).

65315201 is a wasteful number, since it uses less digits than its factorization.

65315201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65315201 is about 8081.7820435842. The cubic root of 65315201 is about 402.7214444426.

Adding to 65315201 its reverse (10251356), we get a palindrome (75566557).

The spelling of 65315201 in words is "sixty-five million, three hundred fifteen thousand, two hundred one".

Divisors: 1 7 61 151 427 1013 1057 7091 9211 61793 64477 152963 432551 1070741 9330743 65315201