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52005490 = 2543120943
BaseRepresentation
bin1100011001100…
…0101001110010
310121212011010021
43012120221302
5101303133430
65054354054
71201016335
oct306305162
9117764107
1052005490
11273a0549
12154bb92a
13aa0b1a4
146c9a61c
15487407a
hex3198a72

52005490 has 16 divisors (see below), whose sum is σ = 95787648. Its totient is φ = 20318256.

The previous prime is 52005487. The next prime is 52005511. The reversal of 52005490 is 9450025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60042 + ... + 60901.

It is an arithmetic number, because the mean of its divisors is an integer number (5986728).

Almost surely, 252005490 is an apocalyptic number.

52005490 is a deficient number, since it is larger than the sum of its proper divisors (43782158).

52005490 is a wasteful number, since it uses less digits than its factorization.

52005490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120993.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 52005490 is about 7211.4832038909. The cubic root of 52005490 is about 373.2642507876.

The spelling of 52005490 in words is "fifty-two million, five thousand, four hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 120943 241886 604715 1209430 5200549 10401098 26002745 52005490