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228870832 = 24157179509
BaseRepresentation
bin11011010010001…
…00101010110000
3120221122211202111
431221010222300
5432042331312
634413255104
75446240621
oct1551045260
9527584674
10228870832
11108212053
1264794494
1338555338
1422579a48
151515d8a7
hexda44ab0

228870832 has 40 divisors (see below), whose sum is σ = 449636400. Its totient is φ = 112849152.

The previous prime is 228870823. The next prime is 228870833. The reversal of 228870832 is 238078822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228870833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449394 + ... + 449902.

It is an arithmetic number, because the mean of its divisors is an integer number (11240910).

Almost surely, 2228870832 is an apocalyptic number.

It is an amenable number.

228870832 is a deficient number, since it is larger than the sum of its proper divisors (220765568).

228870832 is a wasteful number, since it uses less digits than its factorization.

228870832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 228870832 is about 15128.4775175825. The cubic root of 228870832 is about 611.6882659191.

The spelling of 228870832 in words is "two hundred twenty-eight million, eight hundred seventy thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 157 179 314 358 509 628 716 1018 1256 1432 2036 2512 2864 4072 8144 28103 56206 79913 91111 112412 159826 182222 224824 319652 364444 449648 639304 728888 1278608 1457776 14304427 28608854 57217708 114435416 228870832