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228502275 = 35211512647
BaseRepresentation
bin11011001111010…
…10101100000011
3120220222010012020
431213222230003
5431444033100
634401332523
75443144251
oct1547525403
9526863166
10228502275
11107a90161
1264637143
1338456661
14224c15d1
15150d95a0
hexd9eab03

228502275 has 24 divisors (see below), whose sum is σ = 378261504. Its totient is φ = 121716000.

The previous prime is 228502273. The next prime is 228502283. The reversal of 228502275 is 572205822.

It is not a de Polignac number, because 228502275 - 21 = 228502273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228502273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85002 + ... + 87648.

It is an arithmetic number, because the mean of its divisors is an integer number (15760896).

Almost surely, 2228502275 is an apocalyptic number.

228502275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228502275 is a deficient number, since it is larger than the sum of its proper divisors (149759229).

228502275 is a wasteful number, since it uses less digits than its factorization.

228502275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 228502275 is about 15116.2917079554. The cubic root of 228502275 is about 611.3597500332.

It can be divided in two parts, 228 and 502275, that added together give a triangular number (502503 = T1002).

The spelling of 228502275 in words is "two hundred twenty-eight million, five hundred two thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 75 1151 2647 3453 5755 7941 13235 17265 28775 39705 66175 86325 198525 3046697 9140091 15233485 45700455 76167425 228502275