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228133576 = 23114360289
BaseRepresentation
bin11011001100100…
…00101011001000
3120220021101102201
431212100223020
5431400233301
634345405544
75440050316
oct1546205310
9526241381
10228133576
11107859150
12644998b4
13383578a8
14224270b6
1515065201
hexd990ac8

228133576 has 32 divisors (see below), whose sum is σ = 477496800. Its totient is φ = 101283840.

The previous prime is 228133559. The next prime is 228133583. The reversal of 228133576 is 675331822.

228133576 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 26361 + ... + 33928.

It is an arithmetic number, because the mean of its divisors is an integer number (14921775).

Almost surely, 2228133576 is an apocalyptic number.

It is an amenable number.

228133576 is an abundant number, since it is smaller than the sum of its proper divisors (249363224).

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

228133576 is a wasteful number, since it uses less digits than its factorization.

228133576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60349 (or 60345 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 228133576 is about 15104.0913662491. The cubic root of 228133576 is about 611.0307539323.

The spelling of 228133576 in words is "two hundred twenty-eight million, one hundred thirty-three thousand, five hundred seventy-six".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 344 473 946 1892 3784 60289 120578 241156 482312 663179 1326358 2592427 2652716 5184854 5305432 10369708 20739416 28516697 57033394 114066788 228133576