Base | Representation |
---|---|
bin | 11100011111010… |
… | …01000001110000 |
3 | 121122200111121202 |
4 | 32033221001300 |
5 | 442134344412 |
6 | 35414110332 |
7 | 5631210200 |
oct | 1617510160 |
9 | 548614552 |
10 | 238981232 |
11 | 112998156 |
12 | 6804b3a8 |
13 | 3a685219 |
14 | 23a4c400 |
15 | 15ea93c2 |
hex | e3e9070 |
238981232 has 60 divisors (see below), whose sum is σ = 556053696. Its totient is φ = 99106560.
The previous prime is 238981219. The next prime is 238981277. The reversal of 238981232 is 232189832.
It is a super-2 number, since 2×2389812322 = 114224058496475648, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19388 + ... + 29220.
Almost surely, 2238981232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238981232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278026848).
238981232 is an abundant number, since it is smaller than the sum of its proper divisors (317072464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238981232 is a wasteful number, since it uses less digits than its factorization.
238981232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9886 (or 9873 counting only the distinct ones).
The product of its digits is 41472, while the sum is 38.
The square root of 238981232 is about 15459.0178213236. The cubic root of 238981232 is about 620.5659348714.
The spelling of 238981232 in words is "two hundred thirty-eight million, nine hundred eighty-one thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •