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509485713 = 311311014931
BaseRepresentation
bin11110010111100…
…010001010010001
31022111200120000020
4132113202022101
52020412020323
6122320014053
715424362042
oct3627421221
91274616006
10509485713
11241656180
12122761329
1381726849
144b9448c9
152eaddae3
hex1e5e2291

509485713 has 32 divisors (see below), whose sum is σ = 772706304. Its totient is φ = 295800000.

The previous prime is 509485693. The next prime is 509485723. The reversal of 509485713 is 317584905.

It is not a de Polignac number, because 509485713 - 25 = 509485681 is a prime.

It is a super-2 number, since 2×5094857132 = 519151383502236738, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (509485723) 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, 100858 + ... + 105788.

It is an arithmetic number, because the mean of its divisors is an integer number (24147072).

Almost surely, 2509485713 is an apocalyptic number.

It is an amenable number.

509485713 is a deficient number, since it is larger than the sum of its proper divisors (263220591).

509485713 is a wasteful number, since it uses less digits than its factorization.

509485713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 509485713 is about 22571.7902037034. The cubic root of 509485713 is about 798.6883260856.

The spelling of 509485713 in words is "five hundred nine million, four hundred eighty-five thousand, seven hundred thirteen".

Divisors: 1 3 11 31 33 93 101 303 341 1023 1111 3131 3333 4931 9393 14793 34441 54241 103323 152861 162723 458583 498031 1494093 1681471 5044413 5478341 15438961 16435023 46316883 169828571 509485713