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228839856 = 24371740063
BaseRepresentation
bin11011010001111…
…01000110110000
3120221121021021020
431220331012300
5432040333411
634412455440
75446051410
oct1550750660
9527537236
10228839856
111081a0853
126477a580
13385441cb
142256c640
1515154606
hexda3d1b0

228839856 has 80 divisors (see below), whose sum is σ = 715382784. Its totient is φ = 61535232.

The previous prime is 228839837. The next prime is 228839867. The reversal of 228839856 is 658938822.

228839856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 228839799 and 228839808.

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, 14320 + ... + 25743.

Almost surely, 2228839856 is an apocalyptic number.

It is an amenable number.

228839856 is an abundant number, since it is smaller than the sum of its proper divisors (486542928).

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

228839856 is a wasteful number, since it uses less digits than its factorization.

228839856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098 (or 40092 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 228839856 is about 15127.4537183229. The cubic root of 228839856 is about 611.6606688237.

The spelling of 228839856 in words is "two hundred twenty-eight million, eight hundred thirty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 40063 80126 120189 160252 240378 280441 320504 480756 560882 641008 681071 841323 961512 1121764 1362142 1682646 1923024 2043213 2243528 2724284 3365292 4086426 4487056 4767497 5448568 6730584 8172852 9534994 10897136 13461168 14302491 16345704 19069988 28604982 32691408 38139976 57209964 76279952 114419928 228839856