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513240606 = 23228513367
BaseRepresentation
bin11110100101110…
…110111000011110
31022202202022202100
4132211312320132
52022342144411
6122532305530
715501321204
oct3645667036
91282668670
10513240606
1124379029a
12123a722a6
138243c988
144c241074
15300d1456
hex1e976e1e

513240606 has 12 divisors (see below), whose sum is σ = 1112021352. Its totient is φ = 171080196.

The previous prime is 513240601. The next prime is 513240617. The reversal of 513240606 is 606042315.

513240606 is a `hidden beast` number, since 5 + 13 + 2 + 40 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 513240606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513240601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14256666 + ... + 14256701.

It is an arithmetic number, because the mean of its divisors is an integer number (92668446).

Almost surely, 2513240606 is an apocalyptic number.

513240606 is an abundant number, since it is smaller than the sum of its proper divisors (598780746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513240606 is a wasteful number, since it uses less digits than its factorization.

513240606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28513375 (or 28513372 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 513240606 is about 22654.8141903658. The cubic root of 513240606 is about 800.6456277741.

The spelling of 513240606 in words is "five hundred thirteen million, two hundred forty thousand, six hundred six".

Divisors: 1 2 3 6 9 18 28513367 57026734 85540101 171080202 256620303 513240606