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228744875 = 531829959
BaseRepresentation
bin11011010001001…
…01111010101011
3120221102102222102
431220211322223
5432024314000
634410444015
75445204452
oct1550457253
9527372872
10228744875
11108136457
126473360b
133850cbc8
1422545b99
15151363d5
hexda25eab

228744875 has 8 divisors (see below), whose sum is σ = 285473760. Its totient is φ = 182995800.

The previous prime is 228744871. The next prime is 228744881. The reversal of 228744875 is 578447822.

It is a happy number.

It is not a de Polignac number, because 228744875 - 22 = 228744871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228744871) 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, 914855 + ... + 915104.

It is an arithmetic number, because the mean of its divisors is an integer number (35684220).

Almost surely, 2228744875 is an apocalyptic number.

228744875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228744875 is a deficient number, since it is larger than the sum of its proper divisors (56728885).

228744875 is an equidigital number, since it uses as much as digits as its factorization.

228744875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829974 (or 1829964 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 47.

The square root of 228744875 is about 15124.3140340314. The cubic root of 228744875 is about 611.5760329528.

The spelling of 228744875 in words is "two hundred twenty-eight million, seven hundred forty-four thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 1829959 9149795 45748975 228744875