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228860650 = 2524577213
BaseRepresentation
bin11011010010000…
…10001011101010
3120221122022210101
431221002023222
5432042020100
634413140014
75446166134
oct1551021352
9527568711
10228860650
11108205437
126478a60a
1338550805
1422576054
151515a86a
hexda422ea

228860650 has 12 divisors (see below), whose sum is σ = 425680902. Its totient is φ = 91544240.

The previous prime is 228860623. The next prime is 228860657. The reversal of 228860650 is 56068822.

It can be written as a sum of positive squares in 3 ways, for example, as 189585361 + 39275289 = 13769^2 + 6267^2 .

It is not an unprimeable number, because it can be changed into a prime (228860657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2288557 + ... + 2288656.

Almost surely, 2228860650 is an apocalyptic number.

228860650 is a deficient number, since it is larger than the sum of its proper divisors (196820252).

228860650 is a wasteful number, since it uses less digits than its factorization.

228860650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577225 (or 4577220 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 228860650 is about 15128.1409961700. The cubic root of 228860650 is about 611.6791948604.

The spelling of 228860650 in words is "two hundred twenty-eight million, eight hundred sixty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 4577213 9154426 22886065 45772130 114430325 228860650