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229638153 = 32913120149
BaseRepresentation
bin11011011000000…
…00000000001001
3121000002211022210
431230000000021
5432241410103
634441535333
75455614663
oct1554000011
9530084283
10229638153
111086965a8
1264aa4549
1338763684
14226d9533
1515260e03
hexdb00009

229638153 has 16 divisors (see below), whose sum is σ = 319176000. Its totient is φ = 146677440.

The previous prime is 229638133. The next prime is 229638179. The reversal of 229638153 is 351836922.

It is not a de Polignac number, because 229638153 - 220 = 228589577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229638113) 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, 1323 + ... + 21471.

It is an arithmetic number, because the mean of its divisors is an integer number (19948500).

Almost surely, 2229638153 is an apocalyptic number.

It is an amenable number.

229638153 is a deficient number, since it is larger than the sum of its proper divisors (89537847).

229638153 is a wasteful number, since it uses less digits than its factorization.

229638153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312.

The product of its digits is 77760, while the sum is 39.

The square root of 229638153 is about 15153.8164499904. The cubic root of 229638153 is about 612.3710931276.

The spelling of 229638153 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, one hundred fifty-three".

Divisors: 1 3 29 87 131 393 3799 11397 20149 60447 584321 1752963 2639519 7918557 76546051 229638153