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27315331 = 191579157
BaseRepresentation
bin110100000110…
…0110010000011
31220101202120221
41220030302003
523443042311
62413243511
7451114351
oct150146203
956352527
1027315331
111446745a
129193597
135875024
1438b07d1
1525e8671
hex1a0cc83

27315331 has 8 divisors (see below), whose sum is σ = 28939280. Its totient is φ = 25710048.

The previous prime is 27315317. The next prime is 27315391. The reversal of 27315331 is 13351372.

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 27315331 - 213 = 27307139 is a prime.

It is a super-2 number, since 2×273153312 = 1492254615279122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27315296 and 27315305.

It is not an unprimeable number, because it can be changed into a prime (27315391) 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, 1596 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (3617410).

Almost surely, 227315331 is an apocalyptic number.

27315331 is a deficient number, since it is larger than the sum of its proper divisors (1623949).

27315331 is a wasteful number, since it uses less digits than its factorization.

27315331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333.

The product of its digits is 1890, while the sum is 25.

The square root of 27315331 is about 5226.4070832648. The cubic root of 27315331 is about 301.1633752874.

The spelling of 27315331 in words is "twenty-seven million, three hundred fifteen thousand, three hundred thirty-one".

Divisors: 1 19 157 2983 9157 173983 1437649 27315331