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229889934 = 2334257221
BaseRepresentation
bin11011011001111…
…01011110001110
3121000120121201000
431230331132032
5432322434214
634451201130
75461014021
oct1554753616
9530517630
10229889934
1110884878a
1264ba61a6
1338821161
14227631b8
15152b0809
hexdb3d78e

229889934 has 16 divisors (see below), whose sum is σ = 510866640. Its totient is φ = 76629960.

The previous prime is 229889927. The next prime is 229889941. The reversal of 229889934 is 439988922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (229889927) and next prime (229889941).

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 4257221 = 229889934 / (2 + 2 + 9 + 8 + 8 + 9 + 9 + 3 + 4).

It is a Curzon 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, 2128557 + ... + 2128664.

It is an arithmetic number, because the mean of its divisors is an integer number (31929165).

Almost surely, 2229889934 is an apocalyptic number.

229889934 is an abundant number, since it is smaller than the sum of its proper divisors (280976706).

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

229889934 is a wasteful number, since it uses less digits than its factorization.

229889934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257232 (or 4257226 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 229889934 is about 15162.1216853051. The cubic root of 229889934 is about 612.5948176964.

The spelling of 229889934 in words is "two hundred twenty-nine million, eight hundred eighty-nine thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 4257221 8514442 12771663 25543326 38314989 76629978 114944967 229889934