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228736122 = 23174747713
BaseRepresentation
bin11011010001000…
…11110001111010
3120221101222222020
431220203301322
5432024023442
634410335310
75445140106
oct1550436172
9527358866
10228736122
1110812a91a
126472a536
1338508c24
1422542906
15151339ec
hexda23c7a

228736122 has 32 divisors (see below), whose sum is σ = 494698752. Its totient is φ = 70232064.

The previous prime is 228736103. The next prime is 228736199. The reversal of 228736122 is 221637822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19063 + ... + 28650.

It is an arithmetic number, because the mean of its divisors is an integer number (15459336).

Almost surely, 2228736122 is an apocalyptic number.

228736122 is an abundant number, since it is smaller than the sum of its proper divisors (265962630).

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

228736122 is a wasteful number, since it uses less digits than its factorization.

228736122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47782.

The product of its digits is 16128, while the sum is 33.

The square root of 228736122 is about 15124.0246627675. The cubic root of 228736122 is about 611.5682321320.

The spelling of 228736122 in words is "two hundred twenty-eight million, seven hundred thirty-six thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 47 51 94 102 141 282 799 1598 2397 4794 47713 95426 143139 286278 811121 1622242 2242511 2433363 4485022 4866726 6727533 13455066 38122687 76245374 114368061 228736122