Search a number
-
+
233216090 = 25234323581
BaseRepresentation
bin11011110011010…
…01100001011010
3121020211121022222
431321221201122
5434200403330
635050344042
75531206202
oct1571514132
9536747288
10233216090
1110a70a778
126612b022
13394170b3
1422d8b402
151571b0e5
hexde6985a

233216090 has 32 divisors (see below), whose sum is σ = 448246656. Its totient is φ = 87151680.

The previous prime is 233216063. The next prime is 233216099. The reversal of 233216090 is 90612332.

It is not an unprimeable number, because it can be changed into a prime (233216099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1901 + ... + 21680.

It is an arithmetic number, because the mean of its divisors is an integer number (14007708).

Almost surely, 2233216090 is an apocalyptic number.

233216090 is a deficient number, since it is larger than the sum of its proper divisors (215030566).

233216090 is a wasteful number, since it uses less digits than its factorization.

233216090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 233216090 is about 15271.4141453894. The cubic root of 233216090 is about 615.5351193302.

The spelling of 233216090 in words is "two hundred thirty-three million, two hundred sixteen thousand, ninety".

Divisors: 1 2 5 10 23 43 46 86 115 215 230 430 989 1978 4945 9890 23581 47162 117905 235810 542363 1013983 1084726 2027966 2711815 5069915 5423630 10139830 23321609 46643218 116608045 233216090