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530836915 = 5719798251
BaseRepresentation
bin11111101000111…
…110110110110011
31100222212022100111
4133220332312303
52041343240130
6124401402151
716104016330
oct3750766663
91328768314
10530836915
112527096a4
12129939357
1385c90cab
1450701987
153190a02a
hex1fa3edb3

530836915 has 16 divisors (see below), whose sum is σ = 766321920. Its totient is φ = 344844000.

The previous prime is 530836907. The next prime is 530836919. The reversal of 530836915 is 519638035.

It is not a de Polignac number, because 530836915 - 23 = 530836907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530836919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398461 + ... + 399790.

It is an arithmetic number, because the mean of its divisors is an integer number (47895120).

Almost surely, 2530836915 is an apocalyptic number.

530836915 is a deficient number, since it is larger than the sum of its proper divisors (235485005).

530836915 is a wasteful number, since it uses less digits than its factorization.

530836915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798282.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 530836915 is about 23039.8983287687. The cubic root of 530836915 is about 809.6929766647.

The spelling of 530836915 in words is "five hundred thirty million, eight hundred thirty-six thousand, nine hundred fifteen".

Divisors: 1 5 7 19 35 95 133 665 798251 3991255 5587757 15166769 27938785 75833845 106167383 530836915