Base | Representation |
---|---|
bin | 100111001100… |
… | …000011010010 |
3 | 201022220212200 |
4 | 213030003102 |
5 | 10112213403 |
6 | 1004104030 |
7 | 153214242 |
oct | 47140322 |
9 | 21286780 |
10 | 10272978 |
11 | 5887271 |
12 | 3535016 |
13 | 2188bb1 |
14 | 1515b22 |
15 | d7dca3 |
hex | 9cc0d2 |
10272978 has 24 divisors (see below), whose sum is σ = 22733568. Its totient is φ = 3351192.
The previous prime is 10272971. The next prime is 10272991. The reversal of 10272978 is 87927201.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10272971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5226 + ... + 6917.
It is an arithmetic number, because the mean of its divisors is an integer number (947232).
Almost surely, 210272978 is an apocalyptic number.
10272978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
10272978 is an abundant number, since it is smaller than the sum of its proper divisors (12460590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10272978 is a wasteful number, since it uses less digits than its factorization.
10272978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12198 (or 12195 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 10272978 is about 3205.1486704988. The cubic root of 10272978 is about 217.3862742755.
It can be divided in two parts, 1027 and 2978, that added together give a triangular number (4005 = T89).
The spelling of 10272978 in words is "ten million, two hundred seventy-two thousand, nine hundred seventy-eight".
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