Search a number
-
+
233233220 = 225111060151
BaseRepresentation
bin11011110011011…
…01101101000100
3121020212110211102
431321231231010
5434201430340
635050555232
75531310143
oct1571555504
9536773742
10233233220
1110a721630
1266138b18
1339421b2c
1422d9375a
1515721215
hexde6db44

233233220 has 24 divisors (see below), whose sum is σ = 534316608. Its totient is φ = 84812000.

The previous prime is 233233211. The next prime is 233233261. The reversal of 233233220 is 22332332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 233233192 and 233233201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529856 + ... + 530295.

It is an arithmetic number, because the mean of its divisors is an integer number (22263192).

Almost surely, 2233233220 is an apocalyptic number.

233233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233233220 is an abundant number, since it is smaller than the sum of its proper divisors (301083388).

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

233233220 is a wasteful number, since it uses less digits than its factorization.

233233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060171 (or 1060169 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 233233220 is about 15271.9749868837. The cubic root of 233233220 is about 615.5501895575.

Adding to 233233220 its reverse (22332332), we get a palindrome (255565552).

The spelling of 233233220 in words is "two hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1060151 2120302 4240604 5300755 10601510 11661661 21203020 23323322 46646644 58308305 116616610 233233220