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228671874 = 23297130969
BaseRepresentation
bin11011010000101…
…00000110000010
3120221021201211200
431220110012002
5432014444444
634405122030
75444451564
oct1550240602
9527251750
10228671874
11108096622
12646b9316
13384b5902
1422527334
151511e969
hexda14182

228671874 has 24 divisors (see below), whose sum is σ = 500567340. Its totient is φ = 75437568.

The previous prime is 228671869. The next prime is 228671881. The reversal of 228671874 is 478176822.

It can be written as a sum of positive squares in 2 ways, for example, as 213014025 + 15657849 = 14595^2 + 3957^2 .

It is a super-3 number, since 3×2286718743 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63739 + ... + 67230.

Almost surely, 2228671874 is an apocalyptic number.

228671874 is an abundant number, since it is smaller than the sum of its proper divisors (271895466).

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

228671874 is a wasteful number, since it uses less digits than its factorization.

228671874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131074 (or 131071 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 228671874 is about 15121.9004758000. The cubic root of 228671874 is about 611.5109671421.

The spelling of 228671874 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 130969 261938 392907 785814 1178721 2357442 12703993 25407986 38111979 76223958 114335937 228671874