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27248157 = 34336397
BaseRepresentation
bin110011111110…
…0011000011101
31220021100110000
41213330120131
523433420112
62412004513
7450414456
oct147743035
956240400
1027248157
1114420a42
129160739
135850591
14389412d
1525d37dc
hex19fc61d

27248157 has 10 divisors (see below), whose sum is σ = 40704158. Its totient is φ = 18165384.

The previous prime is 27248141. The next prime is 27248189. The reversal of 27248157 is 75184272.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 93636 = 5211^2 + 306^2 .

It is not a de Polignac number, because 27248157 - 24 = 27248141 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 (27248057) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 168118 + ... + 168279.

Almost surely, 227248157 is an apocalyptic number.

27248157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27248157 is a deficient number, since it is larger than the sum of its proper divisors (13456001).

27248157 is an equidigital number, since it uses as much as digits as its factorization.

27248157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336409 (or 336400 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 27248157 is about 5219.9767240860. The cubic root of 27248157 is about 300.9162984743.

The spelling of 27248157 in words is "twenty-seven million, two hundred forty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 9 27 81 336397 1009191 3027573 9082719 27248157