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530531045 = 51111385363
BaseRepresentation
bin11111100111110…
…100001011100101
31100222021202202222
4133213310023211
52041303443140
6124351042125
716101303512
oct3747641345
91328252688
10530531045
1125251a910
12129810345
1385bb49c5
1450662309
15318995b5
hex1f9f42e5

530531045 has 16 divisors (see below), whose sum is σ = 700667712. Its totient is φ = 382421760.

The previous prime is 530530997. The next prime is 530531051. The reversal of 530531045 is 540135035.

It is a de Polignac number, because none of the positive numbers 2k-530531045 is a prime.

It is a Duffinian number.

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, 36467 + ... + 48896.

It is an arithmetic number, because the mean of its divisors is an integer number (43791732).

Almost surely, 2530531045 is an apocalyptic number.

530531045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

530531045 is a deficient number, since it is larger than the sum of its proper divisors (170136667).

530531045 is a wasteful number, since it uses less digits than its factorization.

530531045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85492.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 530531045 is about 23033.2595391968. The cubic root of 530531045 is about 809.5374308547.

The spelling of 530531045 in words is "five hundred thirty million, five hundred thirty-one thousand, forty-five".

Divisors: 1 5 11 55 113 565 1243 6215 85363 426815 938993 4694965 9646019 48230095 106106209 530531045