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228876856 = 23132200739
BaseRepresentation
bin11011010010001…
…10001000111000
3120221200011000121
431221012020320
5432043024411
634413343024
75446264315
oct1551061070
9527604017
10228876856
1110821662a
1264797a74
1338557cc0
142257bd0c
1515160571
hexda46238

228876856 has 16 divisors (see below), whose sum is σ = 462155400. Its totient is φ = 105635424.

The previous prime is 228876847. The next prime is 228876889. The reversal of 228876856 is 658678822.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100266 + ... + 1100473.

Almost surely, 2228876856 is an apocalyptic number.

228876856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228876856 is an abundant number, since it is smaller than the sum of its proper divisors (233278544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228876856 is a wasteful number, since it uses less digits than its factorization.

228876856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200758 (or 2200754 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 228876856 is about 15128.6766109928. The cubic root of 228876856 is about 611.6936325237.

The spelling of 228876856 in words is "two hundred twenty-eight million, eight hundred seventy-six thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 2200739 4401478 8802956 17605912 28609607 57219214 114438428 228876856