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531707083 = 2943426389
BaseRepresentation
bin11111101100010…
…011010011001011
31101001111111222221
4133230103103023
52042104111313
6124432154511
716114302265
oct3754232313
91331444887
10531707083
11253153446
1212a098a37
138620709b
145088ab35
1531a2cc8d
hex1fb134cb

531707083 has 8 divisors (see below), whose sum is σ = 562834800. Its totient is φ = 501432288.

The previous prime is 531707081. The next prime is 531707101. The reversal of 531707083 is 380707135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531707083 - 21 = 531707081 is a prime.

It is a super-2 number, since 2×5317070832 = 565424844224737778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531707081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211948 + ... + 214441.

It is an arithmetic number, because the mean of its divisors is an integer number (70354350).

Almost surely, 2531707083 is an apocalyptic number.

531707083 is a deficient number, since it is larger than the sum of its proper divisors (31127717).

531707083 is a wasteful number, since it uses less digits than its factorization.

531707083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426461.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 531707083 is about 23058.7745337865. The cubic root of 531707083 is about 810.1351616139.

The spelling of 531707083 in words is "five hundred thirty-one million, seven hundred seven thousand, eighty-three".

Divisors: 1 29 43 1247 426389 12365281 18334727 531707083