Base | Representation |
---|---|
bin | 1100010010111… |
… | …01000101100011 |
3 | 21012002010212010 |
4 | 12021131011203 |
5 | 202401013411 |
6 | 14122404003 |
7 | 2361455520 |
oct | 611350543 |
9 | 235063763 |
10 | 103141731 |
11 | 53247a00 |
12 | 2a660603 |
13 | 184a3814 |
14 | d9ac147 |
15 | 90c57a6 |
hex | 625d163 |
103141731 has 24 divisors (see below), whose sum is σ = 172759552. Its totient is φ = 53578800.
The previous prime is 103141723. The next prime is 103141739. The reversal of 103141731 is 137141301.
It is an interprime number because it is at equal distance from previous prime (103141723) and next prime (103141739).
It is not a de Polignac number, because 103141731 - 23 = 103141723 is a prime.
It is a super-2 number, since 2×1031417312 = 21276433347352722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 103141698 and 103141707.
It is not an unprimeable number, because it can be changed into a prime (103141739) 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 23 ways as a sum of consecutive naturals, for example, 17755 + ... + 22836.
Almost surely, 2103141731 is an apocalyptic number.
103141731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
103141731 is a deficient number, since it is larger than the sum of its proper divisors (69617821).
103141731 is a wasteful number, since it uses less digits than its factorization.
103141731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40623 (or 40612 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 103141731 is about 10155.8717498795. The cubic root of 103141731 is about 468.9697229815.
The spelling of 103141731 in words is "one hundred three million, one hundred forty-one thousand, seven hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •