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27390672 = 24321767167
BaseRepresentation
bin110100001111…
…1001011010000
31220112120221100
41220133023100
524003000142
62415024400
7451550121
oct150371320
956476840
1027390672
1114509021
12920b100
1358a03ca
1438d0048
152610b4c
hex1a1f2d0

27390672 has 120 divisors (see below), whose sum is σ = 82869696. Its totient is φ = 8414208.

The previous prime is 27390667. The next prime is 27390731. The reversal of 27390672 is 27609372.

It is a super-3 number, since 3×273906723 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163933 + ... + 164099.

Almost surely, 227390672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27390672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41434848).

27390672 is an abundant number, since it is smaller than the sum of its proper divisors (55479024).

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

27390672 is a wasteful number, since it uses less digits than its factorization.

27390672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 27390672 is about 5233.6098440751. The cubic root of 27390672 is about 301.4400101762.

The spelling of 27390672 in words is "twenty-seven million, three hundred ninety thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 67 68 72 102 134 136 144 153 167 201 204 268 272 306 334 402 408 501 536 603 612 668 804 816 1002 1072 1139 1206 1224 1336 1503 1608 2004 2278 2412 2448 2672 2839 3006 3216 3417 4008 4556 4824 5678 6012 6834 8016 8517 9112 9648 10251 11189 11356 12024 13668 17034 18224 20502 22378 22712 24048 25551 27336 33567 34068 41004 44756 45424 51102 54672 67134 68136 82008 89512 100701 102204 134268 136272 164016 179024 190213 201402 204408 268536 380426 402804 408816 537072 570639 760852 805608 1141278 1521704 1611216 1711917 2282556 3043408 3423834 4565112 6847668 9130224 13695336 27390672