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530548920 = 2333511173771
BaseRepresentation
bin11111100111111…
…000100010111000
31100222022200022000
4133213320202320
52041310031140
6124351301000
716101406566
oct3747704270
91328280260
10530548920
11252532290
1212981a760
1385bbcb95
1450668a36
153189ea30
hex1f9f88b8

530548920 has 512 divisors, whose sum is σ = 2127513600. Its totient is φ = 116121600.

The previous prime is 530548891. The next prime is 530548933. The reversal of 530548920 is 29845035.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7472485 + ... + 7472555.

It is an arithmetic number, because the mean of its divisors is an integer number (4155300).

Almost surely, 2530548920 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 530548920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063756800).

530548920 is an abundant number, since it is smaller than the sum of its proper divisors (1596964680).

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

530548920 is a wasteful number, since it uses less digits than its factorization.

530548920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 530548920 is about 23033.6475617736. The cubic root of 530548920 is about 809.5465225747.

The spelling of 530548920 in words is "five hundred thirty million, five hundred forty-eight thousand, nine hundred twenty".