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27042351 = 371287731
BaseRepresentation
bin110011100101…
…0001000101111
31212212220010120
41213022020233
523410323401
62403340023
7445566450
oct147121057
955786116
1027042351
11142a0356
129081613
1357aa9bb
14383d127
152592836
hex19ca22f

27042351 has 8 divisors (see below), whose sum is σ = 41207424. Its totient is φ = 15452760.

The previous prime is 27042347. The next prime is 27042361. The reversal of 27042351 is 15324072.

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

It is not a de Polignac number, because 27042351 - 22 = 27042347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27042331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643845 + ... + 643886.

It is an arithmetic number, because the mean of its divisors is an integer number (5150928).

Almost surely, 227042351 is an apocalyptic number.

27042351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27042351 is a deficient number, since it is larger than the sum of its proper divisors (14165073).

27042351 is a wasteful number, since it uses less digits than its factorization.

27042351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287741.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27042351 is about 5200.2260527789. The cubic root of 27042351 is about 300.1567736147.

The spelling of 27042351 in words is "twenty-seven million, forty-two thousand, three hundred fifty-one".

Divisors: 1 3 7 21 1287731 3863193 9014117 27042351