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228982755 = 35145910463
BaseRepresentation
bin11011010010111…
…11111111100011
3120221212112021210
431221133333203
5432104422010
634415521203
75450215131
oct1551377743
9527775253
10228982755
11108289151
1264829203
1338594271
14225a8751
1515181b20
hexda5ffe3

228982755 has 16 divisors (see below), whose sum is σ = 366658560. Its totient is φ = 122028768.

The previous prime is 228982729. The next prime is 228982757. The reversal of 228982755 is 557289822.

It is a happy number.

It is not a de Polignac number, because 228982755 - 213 = 228974563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228982757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16654 + ... + 27116.

It is an arithmetic number, because the mean of its divisors is an integer number (22916160).

Almost surely, 2228982755 is an apocalyptic number.

228982755 is a deficient number, since it is larger than the sum of its proper divisors (137675805).

228982755 is a wasteful number, since it uses less digits than its factorization.

228982755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930.

The product of its digits is 806400, while the sum is 48.

The square root of 228982755 is about 15132.1761488558. The cubic root of 228982755 is about 611.7879594572.

The spelling of 228982755 in words is "two hundred twenty-eight million, nine hundred eighty-two thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 1459 4377 7295 10463 21885 31389 52315 156945 15265517 45796551 76327585 228982755