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233022220 = 22511651111
BaseRepresentation
bin11011110001110…
…10001100001100
3121020110202101121
431320322030030
5434123202340
635042250324
75526441034
oct1570721414
9536422347
10233022220
1110a598052
12660569a4
1339379a92
1422d3a8c4
15156cd94a
hexde3a30c

233022220 has 12 divisors (see below), whose sum is σ = 489346704. Its totient is φ = 93208880.

The previous prime is 233022199. The next prime is 233022239. The reversal of 233022220 is 22220332.

233022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 233022194 and 233022203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825536 + ... + 5825575.

It is an arithmetic number, because the mean of its divisors is an integer number (40778892).

Almost surely, 2233022220 is an apocalyptic number.

233022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233022220 is an abundant number, since it is smaller than the sum of its proper divisors (256324484).

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

233022220 is a wasteful number, since it uses less digits than its factorization.

233022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651120 (or 11651118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 233022220 is about 15265.0653454219. The cubic root of 233022220 is about 615.3645094953.

Adding to 233022220 its reverse (22220332), we get a palindrome (255242552).

The spelling of 233022220 in words is "two hundred thirty-three million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11651111 23302222 46604444 58255555 116511110 233022220