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1233000220 = 225507712143
BaseRepresentation
bin100100101111110…
…0001011100011100
310011221002220022211
41021133201130130
510011122001340
6322203250204
742361220554
oct11137413434
93157086284
101233000220
11582aa6351
122a4b19964
131685a9c3a
14b9a80164
15733a85ea
hex497e171c

1233000220 has 24 divisors (see below), whose sum is σ = 2590023744. Its totient is φ = 493062336.

The previous prime is 1233000217. The next prime is 1233000229. The reversal of 1233000220 is 220003321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233000229) 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, 95469 + ... + 107611.

It is an arithmetic number, because the mean of its divisors is an integer number (107917656).

Almost surely, 21233000220 is an apocalyptic number.

1233000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233000220 is an abundant number, since it is smaller than the sum of its proper divisors (1357023524).

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

1233000220 is a wasteful number, since it uses less digits than its factorization.

1233000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229 (or 17227 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1233000220 is about 35114.1028648035. The cubic root of 1233000220 is about 1072.3117166847.

Adding to 1233000220 its reverse (220003321), we get a palindrome (1453003541).

The spelling of 1233000220 in words is "one billion, two hundred thirty-three million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 5077 10154 12143 20308 24286 25385 48572 50770 60715 101540 121430 242860 61650011 123300022 246600044 308250055 616500110 1233000220