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53123265 = 32513711279
BaseRepresentation
bin1100101010100…
…1100011000001
310200221221102100
43022221203001
5102044421030
65134341013
71213353216
oct312514301
9120857370
1053123265
1127a94328
121595a769
13b00cbb0
1470abb0d
1549e5360
hex32a98c1

53123265 has 48 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 25764480.

The previous prime is 53123263. The next prime is 53123269. The reversal of 53123265 is 56232135.

It is not a de Polignac number, because 53123265 - 21 = 53123263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53123263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40896 + ... + 42174.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 253123265 is an apocalyptic number.

It is an amenable number.

53123265 is a deficient number, since it is larger than the sum of its proper divisors (47515455).

53123265 is a wasteful number, since it uses less digits than its factorization.

53123265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53123265 is about 7288.5708475668. The cubic root of 53123265 is about 375.9195565987.

The spelling of 53123265 in words is "fifty-three million, one hundred twenty-three thousand, two hundred sixty-five".

Divisors: 1 3 5 9 13 15 39 45 65 71 117 195 213 355 585 639 923 1065 1279 2769 3195 3837 4615 6395 8307 11511 13845 16627 19185 41535 49881 57555 83135 90809 149643 249405 272427 454045 748215 817281 1180517 1362135 3541551 4086405 5902585 10624653 17707755 53123265