Base | Representation |
---|---|
bin | 1100001011010… |
… | …01011010110110 |
3 | 21010012102202220 |
4 | 12011221122312 |
5 | 202122044140 |
6 | 14045143210 |
7 | 2350130646 |
oct | 605513266 |
9 | 233172686 |
10 | 102143670 |
11 | 52726062 |
12 | 2a25ab06 |
13 | 18214455 |
14 | d7cc526 |
15 | 8e79bd0 |
hex | 61696b6 |
102143670 has 32 divisors (see below), whose sum is σ = 245452032. Its totient is φ = 27204192.
The previous prime is 102143663. The next prime is 102143693. The reversal of 102143670 is 76341201.
It is a self number, because there is not a number n which added to its sum of digits gives 102143670.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30289 + ... + 33491.
It is an arithmetic number, because the mean of its divisors is an integer number (7670376).
Almost surely, 2102143670 is an apocalyptic number.
102143670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102143670 is an abundant number, since it is smaller than the sum of its proper divisors (143308362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102143670 is a wasteful number, since it uses less digits than its factorization.
102143670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4276.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 102143670 is about 10106.6151603789. The cubic root of 102143670 is about 467.4521403340.
Adding to 102143670 its reverse (76341201), we get a palindrome (178484871).
The spelling of 102143670 in words is "one hundred two million, one hundred forty-three thousand, six hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •