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52132465 = 5711135409
BaseRepresentation
bin1100011011011…
…1101001110001
310122002121022001
43012313221301
5101321214330
65101214001
71202055460
oct306675161
9118077261
1052132465
1127477990
1215561301
13aa53c18
146cd09d7
15489b9ca
hex31b7a71

52132465 has 16 divisors (see below), whose sum is σ = 77996160. Its totient is φ = 32497920.

The previous prime is 52132441. The next prime is 52132477. The reversal of 52132465 is 56423125.

It is a de Polignac number, because none of the positive numbers 2k-52132465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67320 + ... + 68089.

It is an arithmetic number, because the mean of its divisors is an integer number (4874760).

Almost surely, 252132465 is an apocalyptic number.

52132465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52132465 is a deficient number, since it is larger than the sum of its proper divisors (25863695).

52132465 is a wasteful number, since it uses less digits than its factorization.

52132465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135432.

The product of its digits is 7200, while the sum is 28.

The square root of 52132465 is about 7220.2815042074. The cubic root of 52132465 is about 373.5677873794.

The spelling of 52132465 in words is "fifty-two million, one hundred thirty-two thousand, four hundred sixty-five".

Divisors: 1 5 7 11 35 55 77 385 135409 677045 947863 1489499 4739315 7447495 10426493 52132465