Base | Representation |
---|---|
bin | 11011100010110… |
… | …01111011101000 |
3 | 121002202210222120 |
4 | 31301121323220 |
5 | 433122230310 |
6 | 34532151240 |
7 | 5503635654 |
oct | 1561317350 |
9 | 532683876 |
10 | 231055080 |
11 | 109474113 |
12 | 65468520 |
13 | 38b3b5a9 |
14 | 22987a64 |
15 | 15440b70 |
hex | dc59ee8 |
231055080 has 32 divisors (see below), whose sum is σ = 693165600. Its totient is φ = 61614656.
The previous prime is 231055073. The next prime is 231055081. The reversal of 231055080 is 80550132.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 231055080.
It is not an unprimeable number, because it can be changed into a prime (231055081) 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, 962610 + ... + 962849.
It is an arithmetic number, because the mean of its divisors is an integer number (21661425).
Almost surely, 2231055080 is an apocalyptic number.
231055080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231055080 is an abundant number, since it is smaller than the sum of its proper divisors (462110520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231055080 is a wasteful number, since it uses less digits than its factorization.
231055080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1925473 (or 1925469 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 231055080 is about 15200.4960445375. The cubic root of 231055080 is about 613.6280076877.
The spelling of 231055080 in words is "two hundred thirty-one million, fifty-five thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •