Search a number
-
+
23150090 = 2517136177
BaseRepresentation
bin101100001001…
…1111000001010
31121120010221202
41120103320022
521411300330
62144104202
7400525655
oct130237012
947503852
1023150090
1112082007
127905062
134a471a2
14310889c
152074445
hex1613e0a

23150090 has 16 divisors (see below), whose sum is σ = 44121672. Its totient is φ = 8715264.

The previous prime is 23150069. The next prime is 23150119. The reversal of 23150090 is 9005132.

It can be written as a sum of positive squares in 4 ways, for example, as 23049601 + 100489 = 4801^2 + 317^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67919 + ... + 68258.

Almost surely, 223150090 is an apocalyptic number.

23150090 is a deficient number, since it is larger than the sum of its proper divisors (20971582).

23150090 is a wasteful number, since it uses less digits than its factorization.

23150090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136201.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 23150090 is about 4811.4540421789. The cubic root of 23150090 is about 285.0039601379.

The spelling of 23150090 in words is "twenty-three million, one hundred fifty thousand, ninety".

Divisors: 1 2 5 10 17 34 85 170 136177 272354 680885 1361770 2315009 4630018 11575045 23150090