Search a number
-
+
234328280 = 23527121617
BaseRepresentation
bin11011111011110…
…01000011011000
3121022221002222012
431331321003120
5434442001110
635130245052
75543520554
oct1575710330
9538832865
10234328280
111102aa33a
1266586788
13397163b4
142319a864
151588a905
hexdf790d8

234328280 has 32 divisors (see below), whose sum is σ = 529208640. Its totient is φ = 93381120.

The previous prime is 234328249. The next prime is 234328313. The reversal of 234328280 is 82823432.

It is a congruent number.

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, 32 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (16537770).

Almost surely, 2234328280 is an apocalyptic number.

234328280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234328280 is an abundant number, since it is smaller than the sum of its proper divisors (294880360).

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

234328280 is a wasteful number, since it uses less digits than its factorization.

234328280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21899 (or 21895 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 234328280 is about 15307.7849475357. The cubic root of 234328280 is about 616.5120482413.

The spelling of 234328280 in words is "two hundred thirty-four million, three hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 271 542 1084 1355 2168 2710 5420 10840 21617 43234 86468 108085 172936 216170 432340 864680 5858207 11716414 23432828 29291035 46865656 58582070 117164140 234328280