Base | Representation |
---|---|
bin | 11110100101001… |
… | …110110010100011 |
3 | 1022202102222111011 |
4 | 132211032302203 |
5 | 2022321421022 |
6 | 122525001351 |
7 | 15500035345 |
oct | 3645166243 |
9 | 1282388434 |
10 | 513076387 |
11 | 24368897a |
12 | 1239b3257 |
13 | 823b2cc5 |
14 | 4c1db295 |
15 | 3009c977 |
hex | 1e94eca3 |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •