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513002945 = 57131959341
BaseRepresentation
bin11110100100111…
…100110111000001
31022202022020202002
4132210330313001
52022312043240
6122523233345
715466311260
oct3644746701
91282266662
10513002945
11243638784
12123978855
1382388750
144c1bc5d7
1530085d15
hex1e93cdc1

513002945 has 32 divisors (see below), whose sum is σ = 797556480. Its totient is φ = 307618560.

The previous prime is 513002929. The next prime is 513002951. The reversal of 513002945 is 549200315.

It is not a de Polignac number, because 513002945 - 24 = 513002929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21026 + ... + 38315.

It is an arithmetic number, because the mean of its divisors is an integer number (24923640).

Almost surely, 2513002945 is an apocalyptic number.

It is an amenable number.

513002945 is a deficient number, since it is larger than the sum of its proper divisors (284553535).

513002945 is a wasteful number, since it uses less digits than its factorization.

513002945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59385.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 513002945 is about 22649.5683181821. The cubic root of 513002945 is about 800.5220264739.

It can be divided in two parts, 51300 and 2945, that added together give a palindrome (54245).

The spelling of 513002945 in words is "five hundred thirteen million, two thousand, nine hundred forty-five".

Divisors: 1 5 7 13 19 35 65 91 95 133 247 455 665 1235 1729 8645 59341 296705 415387 771433 1127479 2076935 3857165 5400031 5637395 7892353 14657227 27000155 39461765 73286135 102600589 513002945