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27696313 = 37977717
BaseRepresentation
bin110100110100…
…1110010111001
31221010010012101
41221221302321
524042240223
62425343401
7454262161
oct151516271
957103171
1027696313
11146a7717
129337b61
135979568
14396d5a1
1526714ad
hex1a69cb9

27696313 has 8 divisors (see below), whose sum is σ = 28741832. Its totient is φ = 26666496.

The previous prime is 27696307. The next prime is 27696323. The reversal of 27696313 is 31369672.

It is the 2149-th star number.

It can be written as a sum of positive squares in 4 ways, for example, as 8573184 + 19123129 = 2928^2 + 4373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27696313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27696323) 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, 270 + ... + 7447.

It is an arithmetic number, because the mean of its divisors is an integer number (3592729).

Almost surely, 227696313 is an apocalyptic number.

It is an amenable number.

27696313 is a deficient number, since it is larger than the sum of its proper divisors (1045519).

27696313 is an equidigital number, since it uses as much as digits as its factorization.

27696313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851.

The product of its digits is 40824, while the sum is 37.

The square root of 27696313 is about 5262.7286648658. The cubic root of 27696313 is about 302.5570795915.

The spelling of 27696313 in words is "twenty-seven million, six hundred ninety-six thousand, three hundred thirteen".

Divisors: 1 37 97 3589 7717 285529 748549 27696313