Search a number
-
+
513076387 = 23431134591
BaseRepresentation
bin11110100101001…
…110110010100011
31022202102222111011
4132211032302203
52022321421022
6122525001351
715500035345
oct3645166243
91282388434
10513076387
1124368897a
121239b3257
13823b2cc5
144c1db295
153009c977
hex1e94eca3

513076387 has 16 divisors (see below), whose sum is σ = 552803328. Its totient is φ = 475009920.

The previous prime is 513076363. The next prime is 513076391. The reversal of 513076387 is 783670315.

It is a cyclic number.

It is not a de Polignac number, because 513076387 - 27 = 513076259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513076087) 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, 109462 + ... + 114052.

It is an arithmetic number, because the mean of its divisors is an integer number (34550208).

Almost surely, 2513076387 is an apocalyptic number.

513076387 is a deficient number, since it is larger than the sum of its proper divisors (39726941).

513076387 is a wasteful number, since it uses less digits than its factorization.

513076387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 513076387 is about 22651.1895272632. The cubic root of 513076387 is about 800.5602258214.

The spelling of 513076387 in words is "five hundred thirteen million, seventy-six thousand, three hundred eighty-seven".

Divisors: 1 23 43 113 989 2599 4591 4859 105593 111757 197413 518783 4540499 11932009 22307669 513076387