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513427982 = 21715100823
BaseRepresentation
bin11110100110100…
…100101000001110
31022210002211210012
4132212210220032
52022414143412
6122540313222
715503031404
oct3646445016
91283084705
10513427982
112438a9051
12123b42812
13824a7052
144c28d474
153011bc22
hex1e9a4a0e

513427982 has 8 divisors (see below), whose sum is σ = 815444496. Its totient is φ = 241613152.

The previous prime is 513427961. The next prime is 513427987. The reversal of 513427982 is 289724315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513427987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7550378 + ... + 7550445.

It is an arithmetic number, because the mean of its divisors is an integer number (101930562).

Almost surely, 2513427982 is an apocalyptic number.

513427982 is a deficient number, since it is larger than the sum of its proper divisors (302016514).

513427982 is a wasteful number, since it uses less digits than its factorization.

513427982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15100842.

The product of its digits is 120960, while the sum is 41.

The square root of 513427982 is about 22658.9492695491. The cubic root of 513427982 is about 800.7430502567.

The spelling of 513427982 in words is "five hundred thirteen million, four hundred twenty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 17 34 15100823 30201646 256713991 513427982