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513059740 = 22525652987
BaseRepresentation
bin11110100101001…
…010101110011100
31022202102010122121
4132211022232130
52022320402430
6122524352324
715466635664
oct3645125634
91282363577
10513059740
11243677416
121239a56a4
13823a855b
144c1d51a4
1530097a7a
hex1e94ab9c

513059740 has 12 divisors (see below), whose sum is σ = 1077425496. Its totient is φ = 205223888.

The previous prime is 513059737. The next prime is 513059741. The reversal of 513059740 is 47950315.

It is a junction number, because it is equal to n+sod(n) for n = 513059696 and 513059705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513059741) 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, 12826474 + ... + 12826513.

It is an arithmetic number, because the mean of its divisors is an integer number (89785458).

Almost surely, 2513059740 is an apocalyptic number.

It is an amenable number.

513059740 is an abundant number, since it is smaller than the sum of its proper divisors (564365756).

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

513059740 is a wasteful number, since it uses less digits than its factorization.

513059740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25652996 (or 25652994 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 513059740 is about 22650.8220601372. The cubic root of 513059740 is about 800.5515675458.

The spelling of 513059740 in words is "five hundred thirteen million, fifty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 25652987 51305974 102611948 128264935 256529870 513059740