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228125492 = 22743189473
BaseRepresentation
bin11011001100011…
…10101100110100
3120220020222100022
431212032230310
5431400003432
634345304312
75440014620
oct1546165464
9526228308
10228125492
11107853071
1264495098
1338353cca
1422424180
1515062b12
hexd98eb34

228125492 has 24 divisors (see below), whose sum is σ = 466863936. Its totient is φ = 95493888.

The previous prime is 228125479. The next prime is 228125501. The reversal of 228125492 is 294521822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93533 + ... + 95940.

It is an arithmetic number, because the mean of its divisors is an integer number (19452664).

Almost surely, 2228125492 is an apocalyptic number.

It is an amenable number.

228125492 is an abundant number, since it is smaller than the sum of its proper divisors (238738444).

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

228125492 is a wasteful number, since it uses less digits than its factorization.

228125492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189527 (or 189525 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 228125492 is about 15103.8237542683. The cubic root of 228125492 is about 611.0235364781.

The spelling of 228125492 in words is "two hundred twenty-eight million, one hundred twenty-five thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 189473 378946 757892 1326311 2652622 5305244 8147339 16294678 32589356 57031373 114062746 228125492