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530012484 = 223412792
BaseRepresentation
bin11111100101110…
…101100101000100
31100221022102110000
4133211311211010
52041140344414
6124332001300
716064013621
oct3745654504
91327272400
10530012484
112521a6251
12129600230
1385a62971
1450569348
15317e5b09
hex1f975944

530012484 has 45 divisors (see below), whose sum is σ = 1386641487. Its totient is φ = 176532696.

The previous prime is 530012471. The next prime is 530012489. The reversal of 530012484 is 484210035.

The square root of 530012484 is 23022.

It is a perfect power (a square), and thus also a powerful number.

530012484 is a `hidden beast` number, since 530 + 0 + 124 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (530012489) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 413757 + ... + 415035.

Almost surely, 2530012484 is an apocalyptic number.

530012484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

530012484 is the 23022-nd square number.

It is an amenable number.

530012484 is an abundant number, since it is smaller than the sum of its proper divisors (856629003).

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

530012484 is an equidigital number, since it uses as much as digits as its factorization.

530012484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The cubic root of 530012484 is about 809.2735874270.

The spelling of 530012484 in words is "five hundred thirty million, twelve thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1279 2558 3837 5116 7674 11511 15348 23022 34533 46044 69066 103599 138132 207198 414396 1635841 3271682 4907523 6543364 9815046 14722569 19630092 29445138 44167707 58890276 88335414 132503121 176670828 265006242 530012484