Base | Representation |
---|---|
bin | 10000101010111… |
… | …10101100001010 |
3 | 100202011001000112 |
4 | 20111132230022 |
5 | 241300122313 |
6 | 21513234322 |
7 | 3315456311 |
oct | 1025365412 |
9 | 322131015 |
10 | 139848458 |
11 | 71a39242 |
12 | 3aa029a2 |
13 | 22c86389 |
14 | 14805278 |
15 | c4268a8 |
hex | 855eb0a |
139848458 has 16 divisors (see below), whose sum is σ = 216228096. Its totient is φ = 67793760.
The previous prime is 139848451. The next prime is 139848473. The reversal of 139848458 is 854848931.
It is not an unprimeable number, because it can be changed into a prime (139848451) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 8135 + ... + 18597.
It is an arithmetic number, because the mean of its divisors is an integer number (13514256).
Almost surely, 2139848458 is an apocalyptic number.
139848458 is a deficient number, since it is larger than the sum of its proper divisors (76379638).
139848458 is a wasteful number, since it uses less digits than its factorization.
139848458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10669.
The product of its digits is 1105920, while the sum is 50.
The square root of 139848458 is about 11825.7540140153. The cubic root of 139848458 is about 519.0619899399.
The spelling of 139848458 in words is "one hundred thirty-nine million, eight hundred forty-eight thousand, four hundred fifty-eight".
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