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27057342 = 2313794391
BaseRepresentation
bin110011100110…
…1110010111110
31212220122200210
41213031302332
523411313332
62403533250
7445661244
oct147156276
955818623
1027057342
1114300644
12908a226
1357b4780
143844794
152596ecc
hex19cdcbe

27057342 has 32 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 8218080.

The previous prime is 27057313. The next prime is 27057367. The reversal of 27057342 is 24375072.

It is a super-2 number, since 2×270573422 = 1464199512209928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3967 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 227057342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27057342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29514240).

27057342 is an abundant number, since it is smaller than the sum of its proper divisors (31971138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27057342 is a wasteful number, since it uses less digits than its factorization.

27057342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 27057342 is about 5201.6672327245. The cubic root of 27057342 is about 300.2122276072.

The spelling of 27057342 in words is "twenty-seven million, fifty-seven thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 79 158 237 474 1027 2054 3081 4391 6162 8782 13173 26346 57083 114166 171249 342498 346889 693778 1040667 2081334 4509557 9019114 13528671 27057342