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513255092 = 227176131759
BaseRepresentation
bin11110100101111…
…010011010110100
31022202210001121212
4132211322122310
52022343130332
6122532500552
715501411350
oct3645723264
91282701555
10513255092
112437a0169
12123a7a758
138244644c
144c246460
15300d58b2
hex1e97a6b4

513255092 has 48 divisors (see below), whose sum is σ = 1089285120. Its totient is φ = 206572032.

The previous prime is 513255073. The next prime is 513255161. The reversal of 513255092 is 290552315.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 290909 + ... + 292667.

It is an arithmetic number, because the mean of its divisors is an integer number (22693440).

Almost surely, 2513255092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513255092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544642560).

513255092 is an abundant number, since it is smaller than the sum of its proper divisors (576030028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513255092 is a wasteful number, since it uses less digits than its factorization.

513255092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 513255092 is about 22655.1338994057. The cubic root of 513255092 is about 800.6531603318.

The spelling of 513255092 in words is "five hundred thirteen million, two hundred fifty-five thousand, ninety-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 613 1226 1759 2452 3518 4291 7036 8582 10421 12313 17164 20842 24626 29903 41684 49252 59806 72947 119612 145894 209321 291788 418642 837284 1078267 2156534 4313068 7547869 15095738 18330539 30191476 36661078 73322156 128313773 256627546 513255092