Search a number
-
+
228526250 = 254182821
BaseRepresentation
bin11011001111100…
…00100010101010
3120221000100002012
431213300202222
5432000320000
634402035522
75443304201
oct1547604252
9527010065
10228526250
11107aa7177
1264648ba2
1338464544
14224ca238
15150e1735
hexd9f08aa

228526250 has 20 divisors (see below), whose sum is σ = 428351946. Its totient is φ = 91410000.

The previous prime is 228526237. The next prime is 228526261. The reversal of 228526250 is 52625822.

228526250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 606841 + 227919409 = 779^2 + 15097^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 90161 + ... + 92660.

Almost surely, 2228526250 is an apocalyptic number.

228526250 is a deficient number, since it is larger than the sum of its proper divisors (199825696).

228526250 is an equidigital number, since it uses as much as digits as its factorization.

228526250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182843 (or 182828 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 228526250 is about 15117.0847057229. The cubic root of 228526250 is about 611.3811310565.

The spelling of 228526250 in words is "two hundred twenty-eight million, five hundred twenty-six thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 182821 365642 914105 1828210 4570525 9141050 22852625 45705250 114263125 228526250