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530743540 = 225371076703
BaseRepresentation
bin11111101000101…
…000000011110100
31100222200120021011
4133220220003310
52041332243130
6124355402004
716103150155
oct3750500364
91328616234
10530743540
11252655528
121298b3304
1385c5a642
14506b992c
15318dc52a
hex1fa280f4

530743540 has 48 divisors (see below), whose sum is σ = 1155555072. Its totient is φ = 204598656.

The previous prime is 530743523. The next prime is 530743559. The reversal of 530743540 is 45347035.

It is a congruent number.

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, 75829 + ... + 82531.

It is an arithmetic number, because the mean of its divisors is an integer number (24074064).

Almost surely, 2530743540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530743540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577777536).

530743540 is an abundant number, since it is smaller than the sum of its proper divisors (624811532).

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

530743540 is a wasteful number, since it uses less digits than its factorization.

530743540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 530743540 is about 23037.8718635207. The cubic root of 530743540 is about 809.6454984826.

The spelling of 530743540 in words is "five hundred thirty million, seven hundred forty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 37 74 107 148 185 214 370 428 535 740 1070 2140 3959 6703 7918 13406 15836 19795 26812 33515 39590 67030 79180 134060 248011 496022 717221 992044 1240055 1434442 2480110 2868884 3586105 4960220 7172210 14344420 26537177 53074354 106148708 132685885 265371770 530743540