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513860379 = 3320953377
BaseRepresentation
bin11110101000001…
…110001100011011
31022210220210220220
4132220032030123
52023022013004
6122553451123
715506512134
oct3650161433
91283823826
10513860379
112440739aa
12124110aa3
13825c8ac6
144c362c8b
15301a4dd9
hex1ea0e31b

513860379 has 8 divisors (see below), whose sum is σ = 685373520. Its totient is φ = 342460416.

The previous prime is 513860357. The next prime is 513860393. The reversal of 513860379 is 973068315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513860379 - 224 = 497083163 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 513860379.

It is not an unprimeable number, because it can be changed into a prime (513860579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17062 + ... + 36315.

It is an arithmetic number, because the mean of its divisors is an integer number (85671690).

Almost surely, 2513860379 is an apocalyptic number.

513860379 is a deficient number, since it is larger than the sum of its proper divisors (171513141).

513860379 is a wasteful number, since it uses less digits than its factorization.

513860379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56589.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 513860379 is about 22668.4886792216. The cubic root of 513860379 is about 800.9677761853.

The spelling of 513860379 in words is "five hundred thirteen million, eight hundred sixty thousand, three hundred seventy-nine".

Divisors: 1 3 3209 9627 53377 160131 171286793 513860379