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27282972 = 2234395179
BaseRepresentation
bin110100000010…
…0111000011100
31220100010012110
41220010320130
523441023342
62412434020
7450621123
oct150047034
956303173
1027282972
1114445112
129178910
135863392
1438a2aba
1525ddc9c
hex1a04e1c

27282972 has 24 divisors (see below), whose sum is σ = 63817600. Its totient is φ = 9071856.

The previous prime is 27282971. The next prime is 27282973. The reversal of 27282972 is 27928272.

It is an interprime number because it is at equal distance from previous prime (27282971) and next prime (27282973).

It is a super-2 number, since 2×272829722 = 1488721122305568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27282972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27282971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 7857.

Almost surely, 227282972 is an apocalyptic number.

It is an amenable number.

27282972 is an abundant number, since it is smaller than the sum of its proper divisors (36534628).

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

27282972 is a wasteful number, since it uses less digits than its factorization.

27282972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625 (or 5623 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 27282972 is about 5223.3104445361. The cubic root of 27282972 is about 301.0444042907.

The spelling of 27282972 in words is "twenty-seven million, two hundred eighty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 439 878 1317 1756 2634 5179 5268 10358 15537 20716 31074 62148 2273581 4547162 6820743 9094324 13641486 27282972