Search a number
-
+
513030793 = 11293974051
BaseRepresentation
bin11110100101000…
…011101010001001
31022202100122221111
4132211003222021
52022313441133
6122524010321
715466455412
oct3645035211
91282318844
10513030793
112436576a0
121239909a1
1382398322
144c1c8809
153008e1cd
hex1e943a89

513030793 has 16 divisors (see below), whose sum is σ = 580570560. Its totient is φ = 449064000.

The previous prime is 513030779. The next prime is 513030821. The reversal of 513030793 is 397030315.

It is not a de Polignac number, because 513030793 - 217 = 512899721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513030733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124618 + ... + 128668.

It is an arithmetic number, because the mean of its divisors is an integer number (36285660).

Almost surely, 2513030793 is an apocalyptic number.

It is an amenable number.

513030793 is a deficient number, since it is larger than the sum of its proper divisors (67539767).

513030793 is a wasteful number, since it uses less digits than its factorization.

513030793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 513030793 is about 22650.1830676929. The cubic root of 513030793 is about 800.5365114680.

The spelling of 513030793 in words is "five hundred thirteen million, thirty thousand, seven hundred ninety-three".

Divisors: 1 11 29 319 397 4051 4367 11513 44561 117479 126643 1292269 1608247 17690717 46639163 513030793