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531373205 = 51173132347
BaseRepresentation
bin11111101011000…
…001110010010101
31101000212120000002
4133223001302111
52042012420310
6124421101045
716111412006
oct3753016225
91330776002
10531373205
11252a45610
12129b57785
138611b11c
14508011ad
15319b3da5
hex1fac1c95

531373205 has 16 divisors (see below), whose sum is σ = 705150144. Its totient is φ = 381156480.

The previous prime is 531373153. The next prime is 531373217. The reversal of 531373205 is 502373135.

It is not a de Polignac number, because 531373205 - 220 = 530324629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 62159 + ... + 70188.

It is an arithmetic number, because the mean of its divisors is an integer number (44071884).

Almost surely, 2531373205 is an apocalyptic number.

531373205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531373205 is a deficient number, since it is larger than the sum of its proper divisors (173776939).

531373205 is a wasteful number, since it uses less digits than its factorization.

531373205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132436.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 531373205 is about 23051.5336799962. The cubic root of 531373205 is about 809.9655551069.

The spelling of 531373205 in words is "five hundred thirty-one million, three hundred seventy-three thousand, two hundred five".

Divisors: 1 5 11 55 73 365 803 4015 132347 661735 1455817 7279085 9661331 48306655 106274641 531373205