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53064405 = 3253138039
BaseRepresentation
bin1100101001101…
…1001011010101
310200211221200100
43022123023111
5102041030110
65133204313
71213016502
oct312331325
9120757610
1053064405
1127a54089
1215930699
13acbc174
1470944a9
1549d2bc0
hex329b2d5

53064405 has 24 divisors (see below), whose sum is σ = 94947840. Its totient is φ = 27387360.

The previous prime is 53064391. The next prime is 53064493. The reversal of 53064405 is 50446035.

It is not a de Polignac number, because 53064405 - 212 = 53060309 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, 17625 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (3956160).

Almost surely, 253064405 is an apocalyptic number.

It is an amenable number.

53064405 is a deficient number, since it is larger than the sum of its proper divisors (41883435).

53064405 is a wasteful number, since it uses less digits than its factorization.

53064405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38081 (or 38078 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53064405 is about 7284.5318998547. The cubic root of 53064405 is about 375.7806670296.

The spelling of 53064405 in words is "fifty-three million, sixty-four thousand, four hundred five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 38039 114117 190195 342351 570585 1179209 1711755 3537627 5896045 10612881 17688135 53064405