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530717538 = 231319358109
BaseRepresentation
bin11111101000100…
…001101101100010
31100222122020121010
4133220201231202
52041330430123
6124355041350
716103011311
oct3750415542
91328566533
10530717538
11252637a3a
121298a0256
1385c4b860
14506b0278
15318d4993
hex1fa21b62

530717538 has 32 divisors (see below), whose sum is σ = 1203249600. Its totient is φ = 154702656.

The previous prime is 530717501. The next prime is 530717563. The reversal of 530717538 is 835717035.

It is a super-2 number, since 2×5307175382 = 563322210281562888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 530717496 and 530717505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177573 + ... + 180536.

It is an arithmetic number, because the mean of its divisors is an integer number (37601550).

Almost surely, 2530717538 is an apocalyptic number.

530717538 is an abundant number, since it is smaller than the sum of its proper divisors (672532062).

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

530717538 is a wasteful number, since it uses less digits than its factorization.

530717538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358146.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 530717538 is about 23037.3075249691. The cubic root of 530717538 is about 809.6322763112.

The spelling of 530717538 in words is "five hundred thirty million, seven hundred seventeen thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 358109 716218 1074327 2148654 4655417 6804071 9310834 13608142 13966251 20412213 27932502 40824426 88452923 176905846 265358769 530717538