Base | Representation |
---|---|
bin | 10000011100000… |
… | …00001011100000 |
3 | 100121110110102202 |
4 | 20032000023200 |
5 | 240244412410 |
6 | 21403232332 |
7 | 3263014142 |
oct | 1016001340 |
9 | 317413382 |
10 | 137888480 |
11 | 7091a724 |
12 | 3a2186a8 |
13 | 2274b222 |
14 | 14454c92 |
15 | c18aca5 |
hex | 83802e0 |
137888480 has 24 divisors (see below), whose sum is σ = 325761912. Its totient is φ = 55155328.
The previous prime is 137888477. The next prime is 137888483. The reversal of 137888480 is 84888731.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (137888477) and next prime (137888483).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137888483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430742 + ... + 431061.
It is an arithmetic number, because the mean of its divisors is an integer number (13573413).
Almost surely, 2137888480 is an apocalyptic number.
137888480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
137888480 is an abundant number, since it is smaller than the sum of its proper divisors (187873432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137888480 is an equidigital number, since it uses as much as digits as its factorization.
137888480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861818 (or 861810 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 47.
The square root of 137888480 is about 11742.5925587155. The cubic root of 137888480 is about 516.6256857309.
The spelling of 137888480 in words is "one hundred thirty-seven million, eight hundred eighty-eight thousand, four hundred eighty".
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