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27268245 = 3657481
BaseRepresentation
bin110100000000…
…1010010010101
31220022101000000
41220001102111
523440040440
62412241513
7450530154
oct150012225
956271000
1027268245
1114435044
129170299
135859774
14389b59b
1525d9730
hex1a01495

27268245 has 28 divisors (see below), whose sum is σ = 49066956. Its totient is φ = 14541120.

The previous prime is 27268243. The next prime is 27268259. The reversal of 27268245 is 54286272.

It can be written as a sum of positive squares in 2 ways, for example, as 17288964 + 9979281 = 4158^2 + 3159^2 .

It is not a de Polignac number, because 27268245 - 21 = 27268243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27268243) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 96 + ... + 7385.

Almost surely, 227268245 is an apocalyptic number.

It is an amenable number.

27268245 is a deficient number, since it is larger than the sum of its proper divisors (21798711).

27268245 is an frugal number, since it uses more digits than its factorization.

27268245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504 (or 7489 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 27268245 is about 5221.9005160956. The cubic root of 27268245 is about 300.9902278995.

The spelling of 27268245 in words is "twenty-seven million, two hundred sixty-eight thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 3645 7481 22443 37405 67329 112215 201987 336645 605961 1009935 1817883 3029805 5453649 9089415 27268245