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530723808 = 25321996989
BaseRepresentation
bin11111101000100…
…011001111100000
31100222122120012100
4133220203033200
52041331130213
6124355130400
716103035506
oct3750431740
91328576170
10530723808
1125264171a
121298a3a00
1385c51674
14506b2676
15318d6773
hex1fa233e0

530723808 has 72 divisors (see below), whose sum is σ = 1588696200. Its totient is φ = 167595264.

The previous prime is 530723807. The next prime is 530723839. The reversal of 530723808 is 808327035.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530723801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43023 + ... + 53966.

It is an arithmetic number, because the mean of its divisors is an integer number (22065225).

Almost surely, 2530723808 is an apocalyptic number.

It is an amenable number.

530723808 is an abundant number, since it is smaller than the sum of its proper divisors (1057972392).

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

530723808 is a wasteful number, since it uses less digits than its factorization.

530723808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97024 (or 97013 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 530723808 is about 23037.4436081784. The cubic root of 530723808 is about 809.6354646830.

The spelling of 530723808 in words is "five hundred thirty million, seven hundred twenty-three thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 96989 193978 290967 387956 581934 775912 872901 1163868 1551824 1745802 1842791 2327736 3103648 3491604 3685582 4655472 5528373 6983208 7371164 9310944 11056746 13966416 14742328 16585119 22113492 27932832 29484656 33170238 44226984 58969312 66340476 88453968 132680952 176907936 265361904 530723808