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228067344 = 24321583801
BaseRepresentation
bin11011001100000…
…00100000010000
3120220011000120200
431212000200100
5431341123334
634344135200
75436353241
oct1546004020
9526130520
10228067344
1110781340a
1264467500
13383336bb
142240acc8
1515050799
hexd980810

228067344 has 30 divisors (see below), whose sum is σ = 638272206. Its totient is φ = 76022400.

The previous prime is 228067337. The next prime is 228067351. The reversal of 228067344 is 443760822.

It is an interprime number because it is at equal distance from previous prime (228067337) and next prime (228067351).

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 32626944 = 13980^2 + 5712^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 228067299 and 228067308.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 791757 + ... + 792044.

Almost surely, 2228067344 is an apocalyptic number.

228067344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228067344 is an abundant number, since it is smaller than the sum of its proper divisors (410204862).

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

228067344 is a wasteful number, since it uses less digits than its factorization.

228067344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583815 (or 1583806 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 228067344 is about 15101.8986885756. The cubic root of 228067344 is about 610.9716164939.

The spelling of 228067344 in words is "two hundred twenty-eight million, sixty-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1583801 3167602 4751403 6335204 9502806 12670408 14254209 19005612 25340816 28508418 38011224 57016836 76022448 114033672 228067344