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233234140 = 22511661707
BaseRepresentation
bin11011110011011…
…01111011011100
3121020212112002111
431321231323130
5434201443030
635051003404
75531312626
oct1571557334
9536775074
10233234140
1110a722297
1266139564
1339422389
1422d93c16
151572162a
hexde6dedc

233234140 has 12 divisors (see below), whose sum is σ = 489791736. Its totient is φ = 93293648.

The previous prime is 233234137. The next prime is 233234159. The reversal of 233234140 is 41432332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830834 + ... + 5830873.

It is an arithmetic number, because the mean of its divisors is an integer number (40815978).

Almost surely, 2233234140 is an apocalyptic number.

233234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233234140 is an abundant number, since it is smaller than the sum of its proper divisors (256557596).

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

233234140 is a wasteful number, since it uses less digits than its factorization.

233234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661716 (or 11661714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 233234140 is about 15272.0051073852. The cubic root of 233234140 is about 615.5509989125.

Adding to 233234140 its reverse (41432332), we get a palindrome (274666472).

The spelling of 233234140 in words is "two hundred thirty-three million, two hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11661707 23323414 46646828 58308535 116617070 233234140