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27690348 = 22371719391
BaseRepresentation
bin110100110100…
…0010101101100
31221002211000110
41221220111230
524042042343
62425300020
7454235610
oct151502554
957084013
1027690348
11146a3194
129334610
13597692a
14396b340
15266e833
hex1a6856c

27690348 has 48 divisors (see below), whose sum is σ = 78188544. Its totient is φ = 7445760.

The previous prime is 27690337. The next prime is 27690349. The reversal of 27690348 is 84309672.

It is a super-2 number, since 2×276903482 = 1533510744722208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27690349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 11123.

It is an arithmetic number, because the mean of its divisors is an integer number (1628928).

Almost surely, 227690348 is an apocalyptic number.

27690348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27690348 is an abundant number, since it is smaller than the sum of its proper divisors (50498196).

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

27690348 is a wasteful number, since it uses less digits than its factorization.

27690348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19422 (or 19420 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27690348 is about 5262.1619131304. The cubic root of 27690348 is about 302.5353572951.

The spelling of 27690348 in words is "twenty-seven million, six hundred ninety thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 19391 38782 58173 77564 116346 135737 232692 271474 329647 407211 542948 659294 814422 988941 1318588 1628844 1977882 2307529 3955764 4615058 6922587 9230116 13845174 27690348