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228727832 = 23101283079
BaseRepresentation
bin11011010001000…
…01110000011000
3120221101120121012
431220201300120
5432023242312
634410233052
75445103664
oct1550416030
9527346535
10228727832
11108124673
1264725788
1338505218
142253d8a4
1515131322
hexda21c18

228727832 has 16 divisors (see below), whose sum is σ = 433112400. Its totient is φ = 113231200.

The previous prime is 228727823. The next prime is 228727841. The reversal of 228727832 is 238727822.

It is an interprime number because it is at equal distance from previous prime (228727823) and next prime (228727841).

It is a super-2 number, since 2×2287278322 = 104632842262840448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228727832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140732 + ... + 142347.

It is an arithmetic number, because the mean of its divisors is an integer number (27069525).

Almost surely, 2228727832 is an apocalyptic number.

It is an amenable number.

228727832 is a deficient number, since it is larger than the sum of its proper divisors (204384568).

228727832 is a wasteful number, since it uses less digits than its factorization.

228727832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283186 (or 283182 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 228727832 is about 15123.7505930242. The cubic root of 228727832 is about 611.5608437612.

The spelling of 228727832 in words is "two hundred twenty-eight million, seven hundred twenty-seven thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 101 202 404 808 283079 566158 1132316 2264632 28590979 57181958 114363916 228727832