Base | Representation |
---|---|
bin | 100110010001… |
… | …000000010000 |
3 | 200212122002222 |
4 | 212101000100 |
5 | 10031443440 |
6 | 555000212 |
7 | 151156151 |
oct | 46210020 |
9 | 20778088 |
10 | 10031120 |
11 | 5731590 |
12 | 3439068 |
13 | 2102a98 |
14 | 1491928 |
15 | d322b5 |
hex | 991010 |
10031120 has 40 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 3647360.
The previous prime is 10031117. The next prime is 10031137. The reversal of 10031120 is 2113001.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a junction number, because it is equal to n+sod(n) for n = 10031098 and 10031107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 6579.
It is an arithmetic number, because the mean of its divisors is an integer number (636120).
Almost surely, 210031120 is an apocalyptic number.
10031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10031120 is an abundant number, since it is smaller than the sum of its proper divisors (15413680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031120 is a wasteful number, since it uses less digits than its factorization.
10031120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11423 (or 11417 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 10031120 is about 3167.1943420005. The cubic root of 10031120 is about 215.6667242648. Note that the first 3 decimals are identical.
Adding to 10031120 its reverse (2113001), we get a palindrome (12144121).
The spelling of 10031120 in words is "ten million, thirty-one thousand, one hundred twenty".
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