Base | Representation |
---|---|
bin | 1001111111000… |
… | …01100011100011 |
3 | 12211121112000022 |
4 | 10333201203203 |
5 | 132420331004 |
6 | 12151144055 |
7 | 2034650162 |
oct | 477414343 |
9 | 184545008 |
10 | 83761379 |
11 | 43310189 |
12 | 2407502b |
13 | 14479460 |
14 | b1a53d9 |
15 | 75482be |
hex | 4fe18e3 |
83761379 has 8 divisors (see below), whose sum is σ = 92124480. Its totient is φ = 75672576.
The previous prime is 83761369. The next prime is 83761387. The reversal of 83761379 is 97316738.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83761379 - 28 = 83761123 is a prime.
It is a super-2 number, since 2×837613792 = 14031937223963282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83761369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67934 + ... + 69155.
It is an arithmetic number, because the mean of its divisors is an integer number (11515560).
Almost surely, 283761379 is an apocalyptic number.
83761379 is a deficient number, since it is larger than the sum of its proper divisors (8363101).
83761379 is a wasteful number, since it uses less digits than its factorization.
83761379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137149.
The product of its digits is 190512, while the sum is 44.
The square root of 83761379 is about 9152.1242889288. The cubic root of 83761379 is about 437.5368201936.
The spelling of 83761379 in words is "eighty-three million, seven hundred sixty-one thousand, three hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •