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53247051 = 3411134597
BaseRepresentation
bin1100101100011…
…1110001001011
310201012020020000
43023013301023
5102112401201
65141134043
71214410134
oct313076113
9121166200
1053247051
1128069330
12159ba323
13b054340
147100c8b
154a1bd86
hex32c7c4b

53247051 has 40 divisors (see below), whose sum is σ = 93468144. Its totient is φ = 29782080.

The previous prime is 53247041. The next prime is 53247053. The reversal of 53247051 is 15074235.

It is a happy number.

It is not a de Polignac number, because 53247051 - 27 = 53246923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53247053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9285 + ... + 13881.

Almost surely, 253247051 is an apocalyptic number.

53247051 is a deficient number, since it is larger than the sum of its proper divisors (40221093).

53247051 is a wasteful number, since it uses less digits than its factorization.

53247051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4624 counting only the distinct ones).

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

The square root of 53247051 is about 7297.0576947150. The cubic root of 53247051 is about 376.2113150294.

The spelling of 53247051 in words is "fifty-three million, two hundred forty-seven thousand, fifty-one".

Divisors: 1 3 9 11 13 27 33 39 81 99 117 143 297 351 429 891 1053 1287 3861 4597 11583 13791 41373 50567 59761 124119 151701 179283 372357 455103 537849 657371 1365309 1613547 1972113 4095927 4840641 5916339 17749017 53247051