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53071245 = 3254327427
BaseRepresentation
bin1100101001110…
…0110110001101
310200212022001200
43022130312031
5102041234440
65133300113
71213045443
oct312346615
9120768050
1053071245
1127a59237
1215934639
13acc2306
147096b93
1549d4c30
hex329cd8d

53071245 has 24 divisors (see below), whose sum is σ = 94132896. Its totient is φ = 27645408.

The previous prime is 53071231. The next prime is 53071253. The reversal of 53071245 is 54217035.

It is a happy number.

53071245 is a `hidden beast` number, since 530 + 7 + 124 + 5 = 666.

It is not a de Polignac number, because 53071245 - 29 = 53070733 is a prime.

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, 11779 + ... + 15648.

It is an arithmetic number, because the mean of its divisors is an integer number (3922204).

Almost surely, 253071245 is an apocalyptic number.

It is an amenable number.

53071245 is a deficient number, since it is larger than the sum of its proper divisors (41061651).

53071245 is a wasteful number, since it uses less digits than its factorization.

53071245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27481 (or 27478 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53071245 is about 7285.0013726835. The cubic root of 53071245 is about 375.7968123743.

The spelling of 53071245 in words is "fifty-three million, seventy-one thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 43 45 129 215 387 645 1935 27427 82281 137135 246843 411405 1179361 1234215 3538083 5896805 10614249 17690415 53071245