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228942332 = 22172198047
BaseRepresentation
bin11011010010101…
…10000111111100
3120221210110211122
431221112013330
5432102123312
634415010112
75446656233
oct1551260774
9527713748
10228942332
11108260843
1264809938
133857ba48
1422597b1a
1515174b72
hexda561fc

228942332 has 18 divisors (see below), whose sum is σ = 425605152. Its totient is φ = 107737024.

The previous prime is 228942317. The next prime is 228942353. The reversal of 228942332 is 233249822.

It is a junction number, because it is equal to n+sod(n) for n = 228942292 and 228942301.

It is a congruent number.

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, 97868 + ... + 100179.

Almost surely, 2228942332 is an apocalyptic number.

It is an amenable number.

228942332 is a deficient number, since it is larger than the sum of its proper divisors (196662820).

228942332 is a wasteful number, since it uses less digits than its factorization.

228942332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198085 (or 198066 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 228942332 is about 15130.8404260966. The cubic root of 228942332 is about 611.7519570952.

The spelling of 228942332 in words is "two hundred twenty-eight million, nine hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 289 578 1156 198047 396094 792188 3366799 6733598 13467196 57235583 114471166 228942332