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232838891 = 3761711453
BaseRepresentation
bin11011110000011…
…01011011101011
3121020010102220122
431320031123223
5434101321031
635034313455
75525045405
oct1570153353
9536112818
10232838891
1110a48233a
1265b8888b
13393144bc
1422ccdb75
151569447b
hexde0d6eb

232838891 has 16 divisors (see below), whose sum is σ = 246644928. Its totient is φ = 219542400.

The previous prime is 232838887. The next prime is 232838899. The reversal of 232838891 is 198838232.

It is a cyclic number.

It is not a de Polignac number, because 232838891 - 22 = 232838887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232838899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159521 + ... + 160973.

It is an arithmetic number, because the mean of its divisors is an integer number (15415308).

Almost surely, 2232838891 is an apocalyptic number.

232838891 is a deficient number, since it is larger than the sum of its proper divisors (13806037).

232838891 is a wasteful number, since it uses less digits than its factorization.

232838891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its digits is 165888, while the sum is 44.

The square root of 232838891 is about 15259.0593091448. The cubic root of 232838891 is about 615.2030888972.

The spelling of 232838891 in words is "two hundred thirty-two million, eight hundred thirty-eight thousand, eight hundred ninety-one".

Divisors: 1 37 61 71 1453 2257 2627 4331 53761 88633 103163 160247 3279421 3817031 6292943 232838891