Search a number
-
+
889200090 = 23259880001
BaseRepresentation
bin110101000000000…
…001110111011010
32021222012001012200
4311000001313122
53310113400330
6224122351030
731015035042
oct6500016732
92258161180
10889200090
11416a26209
1220995b476
131122b49cc
1486148722
15530e6a60
hex35001dda

889200090 has 24 divisors (see below), whose sum is σ = 2311920468. Its totient is φ = 237120000.

The previous prime is 889200089. The next prime is 889200119. The reversal of 889200090 is 90002988.

It can be written as a sum of positive squares in 2 ways, for example, as 885479049 + 3721041 = 29757^2 + 1929^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 4939911 + ... + 4940090.

Almost surely, 2889200090 is an apocalyptic number.

889200090 is an abundant number, since it is smaller than the sum of its proper divisors (1422720378).

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

889200090 is a wasteful number, since it uses less digits than its factorization.

889200090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880014 (or 9880011 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 889200090 is about 29819.4582445758. The cubic root of 889200090 is about 961.6119078634.

The spelling of 889200090 in words is "eight hundred eighty-nine million, two hundred thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9880001 19760002 29640003 49400005 59280006 88920009 98800010 148200015 177840018 296400030 444600045 889200090