Search a number
-
+
200889558 = 235413353
BaseRepresentation
bin10111111100101…
…01010011010110
3112000000020200000
423332111103112
5402411431213
631533432130
74656350562
oct1376252326
9460006600
10200889558
11a3440331
125733b646
133280917c
141c9746a2
1512982c73
hexbf954d6

200889558 has 24 divisors (see below), whose sum is σ = 451382568. Its totient is φ = 66963024.

The previous prime is 200889553. The next prime is 200889569. The reversal of 200889558 is 855988002.

It is a super-2 number, since 2×2008895582 = 80713229026870728, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200889551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206191 + ... + 207162.

It is an arithmetic number, because the mean of its divisors is an integer number (18807607).

Almost surely, 2200889558 is an apocalyptic number.

200889558 is an abundant number, since it is smaller than the sum of its proper divisors (250493010).

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

200889558 is an equidigital number, since it uses as much as digits as its factorization.

200889558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413370 (or 413358 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 200889558 is about 14173.5513545477. The cubic root of 200889558 is about 585.6692931474.

It can be divided in two parts, 20088 and 9558, that added together give a triangular number (29646 = T243).

The spelling of 200889558 in words is "two hundred million, eight hundred eighty-nine thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 413353 826706 1240059 2480118 3720177 7440354 11160531 22321062 33481593 66963186 100444779 200889558