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228140875 = 537572411
BaseRepresentation
bin11011001100100…
…10011101001011
3120220021202110001
431212102131023
5431401002000
634345503431
75440110514
oct1546223513
9526252401
10228140875
11107863686
12644a1b77
133835b001
1422429a0b
151506746a
hexd99274b

228140875 has 16 divisors (see below), whose sum is σ = 285214176. Its totient is φ = 182196000.

The previous prime is 228140863. The next prime is 228140879. The reversal of 228140875 is 578041822.

It is not a de Polignac number, because 228140875 - 27 = 228140747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228140879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93420 + ... + 95830.

It is an arithmetic number, because the mean of its divisors is an integer number (17825886).

Almost surely, 2228140875 is an apocalyptic number.

228140875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228140875 is a deficient number, since it is larger than the sum of its proper divisors (57073301).

228140875 is an equidigital number, since it uses as much as digits as its factorization.

228140875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 228140875 is about 15104.3329875900. The cubic root of 228140875 is about 611.0372703864.

The spelling of 228140875 in words is "two hundred twenty-eight million, one hundred forty thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 757 2411 3785 12055 18925 60275 94625 301375 1825127 9125635 45628175 228140875