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228343264 = 25235572
BaseRepresentation
bin11011001110000…
…11110111100000
3120220200001001221
431213003313200
5431423441024
634354104424
75441612542
oct1547036740
9526601057
10228343264
11107991746
126457b114
13383cc176
142247d692
15150a73e4
hexd9c3de0

228343264 has 36 divisors (see below), whose sum is σ = 469940184. Its totient is φ = 109011584.

The previous prime is 228343261. The next prime is 228343267. The reversal of 228343264 is 462343822.

It is an interprime number because it is at equal distance from previous prime (228343261) and next prime (228343267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228343261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409674 + ... + 410230.

It is an arithmetic number, because the mean of its divisors is an integer number (13053894).

Almost surely, 2228343264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228343264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234970092).

228343264 is an abundant number, since it is smaller than the sum of its proper divisors (241596920).

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

228343264 is an frugal number, since it uses more digits than its factorization.

228343264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 582 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 228343264 is about 15111.0312024031. The cubic root of 228343264 is about 611.2179053717.

The spelling of 228343264 in words is "two hundred twenty-eight million, three hundred forty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 557 736 1114 2228 4456 8912 12811 17824 25622 51244 102488 204976 310249 409952 620498 1240996 2481992 4963984 7135727 9927968 14271454 28542908 57085816 114171632 228343264