Base | Representation |
---|---|
bin | 10000100010111… |
… | …00011011010110 |
3 | 100200011021221010 |
4 | 20101130123112 |
5 | 241012244424 |
6 | 21434433050 |
7 | 3303462234 |
oct | 1021343326 |
9 | 320137833 |
10 | 138790614 |
11 | 71386496 |
12 | 3a592786 |
13 | 229a5a31 |
14 | 1460b954 |
15 | c2b8229 |
hex | 845c6d6 |
138790614 has 8 divisors (see below), whose sum is σ = 277581240. Its totient is φ = 46263536.
The previous prime is 138790591. The next prime is 138790621. The reversal of 138790614 is 416097831.
It is a sphenic number, since it is the product of 3 distinct primes.
138790614 is an admirable number.
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 3 ways as a sum of consecutive naturals, for example, 11565879 + ... + 11565890.
It is an arithmetic number, because the mean of its divisors is an integer number (34697655).
Almost surely, 2138790614 is an apocalyptic number.
138790614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138790614 is a wasteful number, since it uses less digits than its factorization.
138790614 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23131774.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 138790614 is about 11780.9428315394. The cubic root of 138790614 is about 517.7499103335.
The spelling of 138790614 in words is "one hundred thirty-eight million, seven hundred ninety thousand, six hundred fourteen".
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