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228750633 = 32191337723
BaseRepresentation
bin11011010001001…
…11010100101001
3120221102201212200
431220213110221
5432030010013
634410530413
75445230316
oct1550472451
9527381780
10228750633
1110813a811
1264736a09
1338512707
1422547d0d
1515137e73
hexda27529

228750633 has 12 divisors (see below), whose sum is σ = 347808240. Its totient is φ = 144473976.

The previous prime is 228750629. The next prime is 228750647. The reversal of 228750633 is 336057822.

228750633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228750633 - 22 = 228750629 is a prime.

It is a super-5 number, since 5×2287506335 (a number of 43 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (228750673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668691 + ... + 669032.

It is an arithmetic number, because the mean of its divisors is an integer number (28984020).

Almost surely, 2228750633 is an apocalyptic number.

It is an amenable number.

228750633 is a deficient number, since it is larger than the sum of its proper divisors (119057607).

228750633 is a wasteful number, since it uses less digits than its factorization.

228750633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337748 (or 1337745 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 228750633 is about 15124.5043885742. The cubic root of 228750633 is about 611.5811644706.

The spelling of 228750633 in words is "two hundred twenty-eight million, seven hundred fifty thousand, six hundred thirty-three".

Divisors: 1 3 9 19 57 171 1337723 4013169 12039507 25416737 76250211 228750633