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27302157 = 331011191
BaseRepresentation
bin110100000100…
…1100100001101
31220101002112000
41220021210031
523442132112
62413102513
7451031061
oct150114415
956332460
1027302157
1114458573
129187a39
13586c02c
1438a9aa1
1525e47dc
hex1a0990d

27302157 has 8 divisors (see below), whose sum is σ = 40447680. Its totient is φ = 18201420.

The previous prime is 27302141. The next prime is 27302161. The reversal of 27302157 is 75120372.

It is not a de Polignac number, because 27302157 - 24 = 27302141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1011191 = 27302157 / (2 + 7 + 3 + 0 + 2 + 1 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 27302157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27302117) 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, 505569 + ... + 505622.

It is an arithmetic number, because the mean of its divisors is an integer number (5055960).

Almost surely, 227302157 is an apocalyptic number.

27302157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27302157 is a deficient number, since it is larger than the sum of its proper divisors (13145523).

27302157 is a wasteful number, since it uses less digits than its factorization.

27302157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011200 (or 1011194 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27302157 is about 5225.1466008142. The cubic root of 27302157 is about 301.1149511464.

The spelling of 27302157 in words is "twenty-seven million, three hundred two thousand, one hundred fifty-seven".

Divisors: 1 3 9 27 1011191 3033573 9100719 27302157