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228824644 = 2257206161
BaseRepresentation
bin11011010001110…
…01011001000100
3120221120111101211
431220321121010
5432034342034
634412301204
75445656146
oct1550713104
9527514354
10228824644
11108190384
1264771804
133853a2c9
1422566c96
151514ed64
hexda39644

228824644 has 6 divisors (see below), whose sum is σ = 400443134. Its totient is φ = 114412320.

The previous prime is 228824633. The next prime is 228824653. The reversal of 228824644 is 446428822.

It can be written as a sum of positive squares in only one way, i.e., 209902144 + 18922500 = 14488^2 + 4350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228824597 and 228824606.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28603077 + ... + 28603084.

Almost surely, 2228824644 is an apocalyptic number.

It is an amenable number.

228824644 is a deficient number, since it is larger than the sum of its proper divisors (171618490).

228824644 is a wasteful number, since it uses less digits than its factorization.

228824644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57206165 (or 57206163 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 228824644 is about 15126.9509155018. The cubic root of 228824644 is about 611.6471152577.

The spelling of 228824644 in words is "two hundred twenty-eight million, eight hundred twenty-four thousand, six hundred forty-four".

Divisors: 1 2 4 57206161 114412322 228824644