Base | Representation |
---|---|
bin | 10010011110111… |
… | …100000010101100 |
3 | 210121111201102101 |
4 | 102132330002230 |
5 | 1113341201030 |
6 | 50434304444 |
7 | 10453544020 |
oct | 2236740254 |
9 | 717451371 |
10 | 310100140 |
11 | 14a052909 |
12 | 87a28124 |
13 | 4c32610c |
14 | 2d282380 |
15 | 1c3567ca |
hex | 127bc0ac |
310100140 has 48 divisors (see below), whose sum is σ = 783417600. Its totient is φ = 100723392.
The previous prime is 310100123. The next prime is 310100207. The reversal of 310100140 is 41001013.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (10).
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, 55630 + ... + 60949.
It is an arithmetic number, because the mean of its divisors is an integer number (16321200).
Almost surely, 2310100140 is an apocalyptic number.
It is an amenable number.
310100140 is an abundant number, since it is smaller than the sum of its proper divisors (473317460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310100140 is a wasteful number, since it uses less digits than its factorization.
310100140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116614 (or 116612 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 310100140 is about 17609.6604169416. The cubic root of 310100140 is about 676.8628123599.
Adding to 310100140 its reverse (41001013), we get a palindrome (351101153).
The spelling of 310100140 in words is "three hundred ten million, one hundred thousand, one hundred forty".
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