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52542135 = 3351312971
BaseRepresentation
bin1100100001101…
…1101010110111
310122212102021000
43020123222313
5101422322020
65114054343
71205413032
oct310335267
9118772230
1052542135
1127727758
121571a3b3
13ab68529
146d9a019
15492d090
hex321bab7

52542135 has 32 divisors (see below), whose sum is σ = 94152960. Its totient is φ = 27799200.

The previous prime is 52542131. The next prime is 52542157. The reversal of 52542135 is 53124525.

It is a happy number.

52542135 is a `hidden beast` number, since 525 + 4 + 2 + 135 = 666.

It is not a de Polignac number, because 52542135 - 22 = 52542131 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 52542099 and 52542108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542131) 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, 16200 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (2942280).

Almost surely, 252542135 is an apocalyptic number.

52542135 is a deficient number, since it is larger than the sum of its proper divisors (41610825).

52542135 is a wasteful number, since it uses less digits than its factorization.

52542135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3110 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52542135 is about 7248.5953811756. The cubic root of 52542135 is about 374.5437651578.

The spelling of 52542135 in words is "fifty-two million, five hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 131 135 393 655 1179 1965 2971 3537 5895 8913 14855 17685 26739 44565 80217 133695 389201 401085 1167603 1946005 3502809 5838015 10508427 17514045 52542135