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228140676 = 223219333539
BaseRepresentation
bin11011001100100…
…10011010000100
3120220021202011200
431212102122010
5431401000201
634345502500
75440110111
oct1546223204
9526252150
10228140676
11107863515
12644a1a30
133835abaa
1422429908
1515067386
hexd992684

228140676 has 36 divisors (see below), whose sum is σ = 607042800. Its totient is φ = 72044208.

The previous prime is 228140659. The next prime is 228140681. The reversal of 228140676 is 676041822.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 228140676.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166086 + ... + 167453.

It is an arithmetic number, because the mean of its divisors is an integer number (16862300).

Almost surely, 2228140676 is an apocalyptic number.

It is an amenable number.

228140676 is an abundant number, since it is smaller than the sum of its proper divisors (378902124).

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

228140676 is a wasteful number, since it uses less digits than its factorization.

228140676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333568 (or 333563 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 228140676 is about 15104.3264000749. The cubic root of 228140676 is about 611.0370927236.

The spelling of 228140676 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 333539 667078 1000617 1334156 2001234 3001851 4002468 6003702 6337241 12007404 12674482 19011723 25348964 38023446 57035169 76046892 114070338 228140676