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229118033 = 1271804079
BaseRepresentation
bin11011010100000…
…01000001010001
3120222010101212002
431222001001101
5432123234113
634422443345
75451320414
oct1552010121
9528111762
10229118033
11108370851
1264893555
1338610a01
1422601b7b
15151abc58
hexda81051

229118033 has 4 divisors (see below), whose sum is σ = 230922240. Its totient is φ = 227313828.

The previous prime is 229117981. The next prime is 229118039. The reversal of 229118033 is 330811922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229118033 - 26 = 229117969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229117987 and 229118005.

It is not an unprimeable number, because it can be changed into a prime (229118039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901913 + ... + 902166.

It is an arithmetic number, because the mean of its divisors is an integer number (57730560).

Almost surely, 2229118033 is an apocalyptic number.

It is an amenable number.

229118033 is a deficient number, since it is larger than the sum of its proper divisors (1804207).

229118033 is a wasteful number, since it uses less digits than its factorization.

229118033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804206.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 229118033 is about 15136.6453681124. The cubic root of 229118033 is about 611.9084127187.

Adding to 229118033 its reverse (330811922), we get a palindrome (559929955).

The spelling of 229118033 in words is "two hundred twenty-nine million, one hundred eighteen thousand, thirty-three".

Divisors: 1 127 1804079 229118033