Base | Representation |
---|---|
bin | 10000100001010… |
… | …01101011101010 |
3 | 100122202201210220 |
4 | 20100221223222 |
5 | 240434122022 |
6 | 21430150510 |
7 | 3301635243 |
oct | 1020515352 |
9 | 318681726 |
10 | 138582762 |
11 | 7125430a |
12 | 3a4b2436 |
13 | 22932246 |
14 | 14595cca |
15 | c27685c |
hex | 8429aea |
138582762 has 32 divisors (see below), whose sum is σ = 283684032. Its totient is φ = 45120384.
The previous prime is 138582739. The next prime is 138582767. The reversal of 138582762 is 267285831.
It is not an unprimeable number, because it can be changed into a prime (138582767) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45388 + ... + 48344.
It is an arithmetic number, because the mean of its divisors is an integer number (8865126).
Almost surely, 2138582762 is an apocalyptic number.
138582762 is an abundant number, since it is smaller than the sum of its proper divisors (145101270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138582762 is a wasteful number, since it uses less digits than its factorization.
138582762 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3142.
The product of its digits is 161280, while the sum is 42.
The square root of 138582762 is about 11772.1179912537. The cubic root of 138582762 is about 517.4913214722.
The spelling of 138582762 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, seven hundred sixty-two".
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