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229933080 = 233451353103
BaseRepresentation
bin11011011010010…
…00000000011000
3121000122210220000
431231020000120
5432330324310
634452133000
75461253556
oct1555100030
9530583800
10229933080
11108878143
1265007160
13388379a0
1422774bd6
15152bd4c0
hexdb48018

229933080 has 320 divisors, whose sum is σ = 856215360. Its totient is φ = 54991872.

The previous prime is 229933073. The next prime is 229933103. The reversal of 229933080 is 80339922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2232309 + ... + 2232411.

It is an arithmetic number, because the mean of its divisors is an integer number (2675673).

Almost surely, 2229933080 is an apocalyptic number.

229933080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229933080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428107680).

229933080 is an abundant number, since it is smaller than the sum of its proper divisors (626282280).

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

229933080 is a wasteful number, since it uses less digits than its factorization.

229933080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 229933080 is about 15163.5444405324. The cubic root of 229933080 is about 612.6331394594.

The spelling of 229933080 in words is "two hundred twenty-nine million, nine hundred thirty-three thousand, eighty".