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228423608 = 2374078993
BaseRepresentation
bin11011001110101…
…11011110111000
3120220211010021122
431213113132320
5431434023413
634355524412
75442366020
oct1547273670
9526733248
10228423608
11107a37046
12645b9708
13384298ca
14224a0a80
15150c1108
hexd9d77b8

228423608 has 16 divisors (see below), whose sum is σ = 489479280. Its totient is φ = 97895808.

The previous prime is 228423581. The next prime is 228423631. The reversal of 228423608 is 806324822.

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, 2039441 + ... + 2039552.

It is an arithmetic number, because the mean of its divisors is an integer number (30592455).

Almost surely, 2228423608 is an apocalyptic number.

228423608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228423608 is an abundant number, since it is smaller than the sum of its proper divisors (261055672).

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

228423608 is a wasteful number, since it uses less digits than its factorization.

228423608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079006 (or 4079002 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 228423608 is about 15113.6894238303. The cubic root of 228423608 is about 611.2895839081.

The spelling of 228423608 in words is "two hundred twenty-eight million, four hundred twenty-three thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 28 56 4078993 8157986 16315972 28552951 32631944 57105902 114211804 228423608