Search a number
-
+
233022131 = 2346121977
BaseRepresentation
bin11011110001110…
…10001010110011
3121020110202021022
431320322022303
5434123202011
635042250055
75526440546
oct1570721263
9536422238
10233022131
1110a597a81
126605692b
1339379a24
1422d3a85d
15156cd8db
hexde3a2b3

233022131 has 8 divisors (see below), whose sum is σ = 243692064. Its totient is φ = 222397120.

The previous prime is 233022121. The next prime is 233022151. The reversal of 233022131 is 131220332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-233022131 is a prime.

It is a super-2 number, since 2×2330221312 = 108598627071562322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (30461508).

Almost surely, 2233022131 is an apocalyptic number.

233022131 is a deficient number, since it is larger than the sum of its proper divisors (10669933).

233022131 is a wasteful number, since it uses less digits than its factorization.

233022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 233022131 is about 15265.0624302687. The cubic root of 233022131 is about 615.3644311517.

Adding to 233022131 its reverse (131220332), we get a palindrome (364242463).

The spelling of 233022131 in words is "two hundred thirty-three million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 23 461 10603 21977 505471 10131397 233022131