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253228 = 22293759
BaseRepresentation
bin111101110100101100
3110212100211
4331310230
531100403
65232204
72103163
oct756454
9425324
10253228
11163288
12102664
138b351
14683da
155006d
hex3dd2c

253228 has 24 divisors (see below), whose sum is σ = 478800. Its totient is φ = 116928.

The previous prime is 253159. The next prime is 253229. The reversal of 253228 is 822352.

It is a junction number, because it is equal to n+sod(n) for n = 253199 and 253208.

It is not an unprimeable number, because it can be changed into a prime (253229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4263 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2253228 is an apocalyptic number.

It is an amenable number.

253228 is a deficient number, since it is larger than the sum of its proper divisors (225572).

253228 is a wasteful number, since it uses less digits than its factorization.

253228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 127 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 253228 is about 503.2176467494. The cubic root of 253228 is about 63.2660288392.

The spelling of 253228 in words is "two hundred fifty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 29 37 58 59 74 116 118 148 236 1073 1711 2146 2183 3422 4292 4366 6844 8732 63307 126614 253228