Base | Representation |
---|---|
bin | 1100001011110… |
… | …10100110001111 |
3 | 21010100000021212 |
4 | 12011322212033 |
5 | 202131322111 |
6 | 14050445035 |
7 | 2350543043 |
oct | 605724617 |
9 | 233300255 |
10 | 102214031 |
11 | 52773a07 |
12 | 2a29377b |
13 | 1823a49a |
14 | d80a023 |
15 | 8e9098b |
hex | 617a98f |
102214031 has 4 divisors (see below), whose sum is σ = 102578064. Its totient is φ = 101850000.
The previous prime is 102214003. The next prime is 102214043. The reversal of 102214031 is 130412201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130412201 = 6883 ⋅18947.
It is a cyclic number.
It is not a de Polignac number, because 102214031 - 214 = 102197647 is a prime.
It is a super-2 number, since 2×1022140312 = 20895416266537922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102213997 and 102214015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102204031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181595 + ... + 182156.
It is an arithmetic number, because the mean of its divisors is an integer number (25644516).
Almost surely, 2102214031 is an apocalyptic number.
102214031 is a deficient number, since it is larger than the sum of its proper divisors (364033).
102214031 is an equidigital number, since it uses as much as digits as its factorization.
102214031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364032.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 102214031 is about 10110.0954990544. The cubic root of 102214031 is about 467.5594494827.
Adding to 102214031 its reverse (130412201), we get a palindrome (232626232).
The spelling of 102214031 in words is "one hundred two million, two hundred fourteen thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.266 sec. • engine limits •