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507743243 = 731480301
BaseRepresentation
bin11110010000111…
…000110000001011
31022101102000210022
4132100320300023
52014440240433
6122214411055
715403514000
oct3620706013
91271360708
10507743243
11240676017
12122060a8b
13812666b7
144b60d8a7
152e897698
hex1e438c0b

507743243 has 8 divisors (see below), whose sum is σ = 592120800. Its totient is φ = 435208200.

The previous prime is 507743237. The next prime is 507743297. The reversal of 507743243 is 342347705.

It is not a de Polignac number, because 507743243 - 24 = 507743227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507740243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739808 + ... + 740493.

It is an arithmetic number, because the mean of its divisors is an integer number (74015100).

Almost surely, 2507743243 is an apocalyptic number.

507743243 is a deficient number, since it is larger than the sum of its proper divisors (84377557).

507743243 is an equidigital number, since it uses as much as digits as its factorization.

507743243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480322 (or 1480308 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 507743243 is about 22533.1587443927. The cubic root of 507743243 is about 797.7767663259.

The spelling of 507743243 in words is "five hundred seven million, seven hundred forty-three thousand, two hundred forty-three".

Divisors: 1 7 49 343 1480301 10362107 72534749 507743243