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228140883 = 3229874103
BaseRepresentation
bin11011001100100…
…10011101010011
3120220021202110100
431212102131103
5431401002013
634345503443
75440110525
oct1546223523
9526252410
10228140883
11107863693
12644a1b83
133835b009
1422429a15
1515067473
hexd992753

228140883 has 12 divisors (see below), whose sum is σ = 340900560. Its totient is φ = 146849136.

The previous prime is 228140881. The next prime is 228140893. The reversal of 228140883 is 388041822.

It is a happy number.

It is not a de Polignac number, because 228140883 - 21 = 228140881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228140881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436791 + ... + 437312.

It is an arithmetic number, because the mean of its divisors is an integer number (28408380).

Almost surely, 2228140883 is an apocalyptic number.

228140883 is a deficient number, since it is larger than the sum of its proper divisors (112759677).

228140883 is a wasteful number, since it uses less digits than its factorization.

228140883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874138 (or 874135 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 228140883 is about 15104.3332524147. Note that the first 3 decimals coincide. The cubic root of 228140883 is about 611.0372775286.

The spelling of 228140883 in words is "two hundred twenty-eight million, one hundred forty thousand, eight hundred eighty-three".

Divisors: 1 3 9 29 87 261 874103 2622309 7866927 25348987 76046961 228140883