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231028048 = 24113127781
BaseRepresentation
bin11011100010100…
…11010101010000
3121002201102220101
431301103111100
5433120344143
634531422144
75503464106
oct1561232520
9532642811
10231028048
11109455879
1265454954
1338b2c1b4
142297bc76
1515437b4d
hexdc53550

231028048 has 20 divisors (see below), whose sum is σ = 451581588. Its totient is φ = 114490880.

The previous prime is 231028043. The next prime is 231028067. The reversal of 231028048 is 840820132.

231028048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 219276864 = 3428^2 + 14808^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231028043) 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 3 ways as a sum of consecutive naturals, for example, 62083 + ... + 65698.

Almost surely, 2231028048 is an apocalyptic number.

It is an amenable number.

231028048 is a deficient number, since it is larger than the sum of its proper divisors (220553540).

231028048 is a wasteful number, since it uses less digits than its factorization.

231028048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127902 (or 127896 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 231028048 is about 15199.6068370205. The cubic root of 231028048 is about 613.6040765407.

The spelling of 231028048 in words is "two hundred thirty-one million, twenty-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 113 226 452 904 1808 127781 255562 511124 1022248 2044496 14439253 28878506 57757012 115514024 231028048