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228022088 = 23721734217
BaseRepresentation
bin11011001011101…
…01011101001000
3120220001201111112
431211311131020
5431333201323
634343145452
75436104300
oct1545653510
9526051445
10228022088
11107792408
1264445288
1338318c18
14223d8600
1515042178
hexd975748

228022088 has 48 divisors (see below), whose sum is σ = 526615020. Its totient is φ = 91972608.

The previous prime is 228022063. The next prime is 228022117. The reversal of 228022088 is 880220822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 187087684 + 40934404 = 13678^2 + 6398^2 .

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, 10445 + ... + 23772.

Almost surely, 2228022088 is an apocalyptic number.

228022088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228022088 is an abundant number, since it is smaller than the sum of its proper divisors (298592932).

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

228022088 is a wasteful number, since it uses less digits than its factorization.

228022088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34254 (or 34243 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 228022088 is about 15100.4002595958. The cubic root of 228022088 is about 610.9312015882.

The spelling of 228022088 in words is "two hundred twenty-eight million, twenty-two thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 17 28 34 49 56 68 98 119 136 196 238 392 476 833 952 1666 3332 6664 34217 68434 136868 239519 273736 479038 581689 958076 1163378 1676633 1916152 2326756 3353266 4071823 4653512 6706532 8143646 13413064 16287292 28502761 32574584 57005522 114011044 228022088