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513876940 = 22525693847
BaseRepresentation
bin11110101000010…
…010001111001100
31022210221122122021
4132220102033030
52023023030230
6122554055524
715506611333
oct3650221714
91283848567
10513876940
11244085395
1212411a5a4
13826034c5
144c368d1a
15301a9c7a
hex1ea123cc

513876940 has 12 divisors (see below), whose sum is σ = 1079141616. Its totient is φ = 205550768.

The previous prime is 513876931. The next prime is 513876941. The reversal of 513876940 is 49678315.

It is not an unprimeable number, because it can be changed into a prime (513876941) 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, 12846904 + ... + 12846943.

It is an arithmetic number, because the mean of its divisors is an integer number (89928468).

Almost surely, 2513876940 is an apocalyptic number.

It is an amenable number.

513876940 is an abundant number, since it is smaller than the sum of its proper divisors (565264676).

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

513876940 is a wasteful number, since it uses less digits than its factorization.

513876940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25693856 (or 25693854 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 513876940 is about 22668.8539630922. The cubic root of 513876940 is about 800.9763807826.

The spelling of 513876940 in words is "five hundred thirteen million, eight hundred seventy-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 25693847 51387694 102775388 128469235 256938470 513876940