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228748364 = 22134399007
BaseRepresentation
bin11011010001001…
…10110001001100
3120221102121202122
431220212301030
5432024421424
634410512112
75445220565
oct1550466114
9527377678
10228748364
11108139039
1264735638
1338511680
142254716c
151513745e
hexda26c4c

228748364 has 12 divisors (see below), whose sum is σ = 431102784. Its totient is φ = 105576144.

The previous prime is 228748361. The next prime is 228748367. The reversal of 228748364 is 463847822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228748361) and next prime (228748367).

It is a super-3 number, since 3×2287483643 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (228748361) 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 3 ways as a sum of consecutive naturals, for example, 2199452 + ... + 2199555.

It is an arithmetic number, because the mean of its divisors is an integer number (35925232).

Almost surely, 2228748364 is an apocalyptic number.

It is an amenable number.

228748364 is a deficient number, since it is larger than the sum of its proper divisors (202354420).

228748364 is a wasteful number, since it uses less digits than its factorization.

228748364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399024 (or 4399022 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 228748364 is about 15124.4293776658. The cubic root of 228748364 is about 611.5791423527.

The spelling of 228748364 in words is "two hundred twenty-eight million, seven hundred forty-eight thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 4399007 8798014 17596028 57187091 114374182 228748364