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229864969 = 317414999
BaseRepresentation
bin11011011001101…
…11011000001001
3121000112100110101
431230313120021
5432321134334
634450445401
75460551155
oct1554673011
9530470411
10229864969
11108830a54
1264b93861
1338812999
1422758065
15152a8214
hexdb37609

229864969 has 4 divisors (see below), whose sum is σ = 237280000. Its totient is φ = 222449940.

The previous prime is 229864963. The next prime is 229864981. The reversal of 229864969 is 969468922.

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, and also an emirpimes, since its reverse is a distinct semiprime: 969468922 = 2484734461.

It is a cyclic number.

It is not a de Polignac number, because 229864969 - 23 = 229864961 is a prime.

It is a super-2 number, since 2×2298649692 = 105675807946741922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229864961) 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, 3707469 + ... + 3707530.

It is an arithmetic number, because the mean of its divisors is an integer number (59320000).

Almost surely, 2229864969 is an apocalyptic number.

It is an amenable number.

229864969 is a deficient number, since it is larger than the sum of its proper divisors (7415031).

229864969 is an equidigital number, since it uses as much as digits as its factorization.

229864969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415030.

The product of its digits is 3359232, while the sum is 55.

The square root of 229864969 is about 15161.2983942669. The cubic root of 229864969 is about 612.5726418911.

The spelling of 229864969 in words is "two hundred twenty-nine million, eight hundred sixty-four thousand, nine hundred sixty-nine".

Divisors: 1 31 7414999 229864969