Base | Representation |
---|---|
bin | 1100010010100… |
… | …00000100000111 |
3 | 21011222102200120 |
4 | 12021100010013 |
5 | 202342312031 |
6 | 14121313023 |
7 | 2361144150 |
oct | 611200407 |
9 | 234872616 |
10 | 103088391 |
11 | 5321091a |
12 | 2a635773 |
13 | 18485463 |
14 | d996927 |
15 | 90b4a96 |
hex | 6250107 |
103088391 has 32 divisors (see below), whose sum is σ = 170408448. Its totient is φ = 54082560.
The previous prime is 103088389. The next prime is 103088393. The reversal of 103088391 is 193880301.
It is an interprime number because it is at equal distance from previous prime (103088389) and next prime (103088393).
It is not a de Polignac number, because 103088391 - 21 = 103088389 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103088393) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11116 + ... + 18158.
It is an arithmetic number, because the mean of its divisors is an integer number (5325264).
Almost surely, 2103088391 is an apocalyptic number.
103088391 is a deficient number, since it is larger than the sum of its proper divisors (67320057).
103088391 is a wasteful number, since it uses less digits than its factorization.
103088391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7111.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 103088391 is about 10153.2453432388. The cubic root of 103088391 is about 468.8888660927. Note that the first 4 decimals are identical.
The spelling of 103088391 in words is "one hundred three million, eighty-eight thousand, three hundred ninety-one".
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