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228239124 = 22319019927
BaseRepresentation
bin11011001101010…
…10011100010100
3120220110202012220
431212222130110
5431412122444
634351542340
75441000121
oct1546523424
9526422186
10228239124
11107920483
126452a9b0
1338393949
1422453748
1515086619
hexd9aa714

228239124 has 12 divisors (see below), whose sum is σ = 532557984. Its totient is φ = 76079704.

The previous prime is 228239119. The next prime is 228239129. The reversal of 228239124 is 421932822.

228239124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228239119) and next prime (228239129).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228239129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509952 + ... + 9509975.

It is an arithmetic number, because the mean of its divisors is an integer number (44379832).

Almost surely, 2228239124 is an apocalyptic number.

It is an amenable number.

228239124 is an abundant number, since it is smaller than the sum of its proper divisors (304318860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228239124 is a wasteful number, since it uses less digits than its factorization.

228239124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19019934 (or 19019932 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 228239124 is about 15107.5849823855. The cubic root of 228239124 is about 611.1249723161.

The spelling of 228239124 in words is "two hundred twenty-eight million, two hundred thirty-nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 19019927 38039854 57059781 76079708 114119562 228239124