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27107397 = 3219715289
BaseRepresentation
bin110011101101…
…0000001000101
31220000012100200
41213122001011
523414414042
62405001113
7446260212
oct147320105
956005320
1027107397
1114335209
1290b3199
1358014a5
143858b09
1525a6c4c
hex19da045

27107397 has 12 divisors (see below), whose sum is σ = 39356460. Its totient is φ = 17978688.

The previous prime is 27107393. The next prime is 27107411. The reversal of 27107397 is 79370172.

It can be written as a sum of positive squares in 2 ways, for example, as 22982436 + 4124961 = 4794^2 + 2031^2 .

It is not a de Polignac number, because 27107397 - 22 = 27107393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27107393) 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 11 ways as a sum of consecutive naturals, for example, 5872 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (3279705).

Almost surely, 227107397 is an apocalyptic number.

It is an amenable number.

27107397 is a deficient number, since it is larger than the sum of its proper divisors (12249063).

27107397 is a wasteful number, since it uses less digits than its factorization.

27107397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492 (or 15489 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 27107397 is about 5206.4764476563. The cubic root of 27107397 is about 300.3972404346.

The spelling of 27107397 in words is "twenty-seven million, one hundred seven thousand, three hundred ninety-seven".

Divisors: 1 3 9 197 591 1773 15289 45867 137601 3011933 9035799 27107397