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229308965 = 5231993991
BaseRepresentation
bin11011010101011…
…11101000100101
3120222111002202122
431222233220211
5432200341330
634430515325
75453044154
oct1552575045
9528432678
10229308965
11108491246
1264965b45
13386798a2
142265159b
15151e85e5
hexdaafa25

229308965 has 8 divisors (see below), whose sum is σ = 287134848. Its totient is φ = 175471120.

The previous prime is 229308923. The next prime is 229308973. The reversal of 229308965 is 569803922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229308965 - 218 = 229046821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996881 + ... + 997110.

It is an arithmetic number, because the mean of its divisors is an integer number (35891856).

Almost surely, 2229308965 is an apocalyptic number.

It is an amenable number.

229308965 is a deficient number, since it is larger than the sum of its proper divisors (57825883).

229308965 is a wasteful number, since it uses less digits than its factorization.

229308965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994019.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 229308965 is about 15142.9510003830. The cubic root of 229308965 is about 612.0783403566.

The spelling of 229308965 in words is "two hundred twenty-nine million, three hundred eight thousand, nine hundred sixty-five".

Divisors: 1 5 23 115 1993991 9969955 45861793 229308965