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275231630 = 25137200899
BaseRepresentation
bin10000011001111…
…011001110001110
3201011220012211002
4100121323032032
51030424403010
643151100302
76551300402
oct2031731616
9634805732
10275231630
111313a7663
1278211692
134503816b
14287a7102
151926a1a5
hex1067b38e

275231630 has 16 divisors (see below), whose sum is σ = 499035600. Its totient is φ = 109288512.

The previous prime is 275231623. The next prime is 275231633. The reversal of 275231630 is 36132572.

275231630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 275231593 and 275231602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275231633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99080 + ... + 101819.

It is an arithmetic number, because the mean of its divisors is an integer number (31189725).

Almost surely, 2275231630 is an apocalyptic number.

275231630 is a deficient number, since it is larger than the sum of its proper divisors (223803970).

275231630 is a wasteful number, since it uses less digits than its factorization.

275231630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201043.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 275231630 is about 16590.1063890501. The cubic root of 275231630 is about 650.4782515800.

The spelling of 275231630 in words is "two hundred seventy-five million, two hundred thirty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 200899 401798 1004495 2008990 27523163 55046326 137615815 275231630