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64316311 = 1917918911
BaseRepresentation
bin1111010101011…
…0001110010111
311111000121101121
43311112032113
5112431110221
610214304411
71410452053
oct365261627
9144017347
1064316311
1133339884
1219658107
131042b7b7
148782c63
1559a6a41
hex3d56397

64316311 has 8 divisors (see below), whose sum is σ = 68083200. Its totient is φ = 60587640.

The previous prime is 64316299. The next prime is 64316327. The reversal of 64316311 is 11361346.

It is a happy number.

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 64316311 - 27 = 64316183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64316341) 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, 6055 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (8510400).

Almost surely, 264316311 is an apocalyptic number.

64316311 is a deficient number, since it is larger than the sum of its proper divisors (3766889).

64316311 is a wasteful number, since it uses less digits than its factorization.

64316311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19109.

The product of its digits is 1296, while the sum is 25.

The square root of 64316311 is about 8019.7450707613. The cubic root of 64316311 is about 400.6578985804.

Adding to 64316311 its reverse (11361346), we get a palindrome (75677657).

The spelling of 64316311 in words is "sixty-four million, three hundred sixteen thousand, three hundred eleven".

Divisors: 1 19 179 3401 18911 359309 3385069 64316311