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53415245 = 5132943659
BaseRepresentation
bin1100101111000…
…0110101001101
310201111202221102
43023300311031
5102133241440
65144512445
71216010402
oct313606515
9121452842
1053415245
1128173734
1215a7b725
13b0b2a70
1471462a9
154a51b15
hex32f0d4d

53415245 has 32 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 37142784.

The previous prime is 53415233. The next prime is 53415247. The reversal of 53415245 is 54251435.

It is a cyclic number.

It is not a de Polignac number, because 53415245 - 28 = 53414989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80726 + ... + 81384.

It is an arithmetic number, because the mean of its divisors is an integer number (2286900).

Almost surely, 253415245 is an apocalyptic number.

It is an amenable number.

53415245 is a deficient number, since it is larger than the sum of its proper divisors (19765555).

53415245 is a wasteful number, since it uses less digits than its factorization.

53415245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its digits is 12000, while the sum is 29.

The square root of 53415245 is about 7308.5733902041. The cubic root of 53415245 is about 376.6070175556.

The spelling of 53415245 in words is "fifty-three million, four hundred fifteen thousand, two hundred forty-five".

Divisors: 1 5 13 29 43 65 145 215 377 559 659 1247 1885 2795 3295 6235 8567 16211 19111 28337 42835 81055 95555 141685 248443 368381 821773 1242215 1841905 4108865 10683049 53415245