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89228 = 2222307
BaseRepresentation
bin10101110010001100
311112101202
4111302030
510323403
61525032
7521066
oct256214
9145352
1089228
1161047
1243778
13317c9
1424736
151b688
hex15c8c

89228 has 6 divisors (see below), whose sum is σ = 156156. Its totient is φ = 44612.

The previous prime is 89227. The next prime is 89231. The reversal of 89228 is 82298.

It is a self number, because there is not a number n which added to its sum of digits gives 89228.

It is not an unprimeable number, because it can be changed into a prime (89227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (26026).

289228 is an apocalyptic number.

It is an amenable number.

89228 is a deficient number, since it is larger than the sum of its proper divisors (66928).

89228 is a wasteful number, since it uses less digits than its factorization.

89228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311 (or 22309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 89228 is about 298.7105622505. The cubic root of 89228 is about 44.6855443583.

It can be divided in two parts, 892 and 28, that multiplied together give a triangular number (24976 = T223).

The spelling of 89228 in words is "eighty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 4 22307 44614 89228