Search a number
-
+
229982985 = 32547108739
BaseRepresentation
bin11011011010101…
…00001100001001
3121000202100100100
431231110030021
5432333423420
634453200013
75461552221
oct1555241411
9530670310
10229982985
11108901691
1265030009
133885460b
1422789081
15152cd190
hexdb54309

229982985 has 24 divisors (see below), whose sum is σ = 407122560. Its totient is φ = 120046752.

The previous prime is 229982971. The next prime is 229982999. The reversal of 229982985 is 589289922.

It is an interprime number because it is at equal distance from previous prime (229982971) and next prime (229982999).

It is not a de Polignac number, because 229982985 - 24 = 229982969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52255 + ... + 56484.

It is an arithmetic number, because the mean of its divisors is an integer number (16963440).

Almost surely, 2229982985 is an apocalyptic number.

It is an amenable number.

229982985 is a deficient number, since it is larger than the sum of its proper divisors (177139575).

229982985 is a wasteful number, since it uses less digits than its factorization.

229982985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108797 (or 108794 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 229982985 is about 15165.1899097901. The cubic root of 229982985 is about 612.6774585067.

The spelling of 229982985 in words is "two hundred twenty-nine million, nine hundred eighty-two thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 45 47 141 235 423 705 2115 108739 326217 543695 978651 1631085 4893255 5110733 15332199 25553665 45996597 76660995 229982985