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228868696 = 23729140929
BaseRepresentation
bin11011010010001…
…00001001011000
3120221122201211101
431221010021120
5432042244241
634413241144
75446231450
oct1551041130
9527581741
10228868696
11108210491
12647931b4
1338554384
1422578d60
151515ce31
hexda44258

228868696 has 32 divisors (see below), whose sum is σ = 507348000. Its totient is φ = 94703616.

The previous prime is 228868639. The next prime is 228868711. The reversal of 228868696 is 696868822.

228868696 = 57152 + 57162 + ... + 57212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68841 + ... + 72088.

It is an arithmetic number, because the mean of its divisors is an integer number (15854625).

Almost surely, 2228868696 is an apocalyptic number.

It is an amenable number.

228868696 is an abundant number, since it is smaller than the sum of its proper divisors (278479304).

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

228868696 is a wasteful number, since it uses less digits than its factorization.

228868696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140971 (or 140967 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 228868696 is about 15128.4069220787. The cubic root of 228868696 is about 611.6863629969.

The spelling of 228868696 in words is "two hundred twenty-eight million, eight hundred sixty-eight thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 140929 281858 563716 986503 1127432 1973006 3946012 4086941 7892024 8173882 16347764 28608587 32695528 57217174 114434348 228868696