Base | Representation |
---|---|
bin | 100110101100… |
… | …001100011010 |
3 | 201002021212210 |
4 | 212230030122 |
5 | 10044024430 |
6 | 1001215550 |
7 | 152131641 |
oct | 46541432 |
9 | 21067783 |
10 | 10142490 |
11 | 57a8226 |
12 | 34915b6 |
13 | 2141697 |
14 | 14c0358 |
15 | d552b0 |
hex | 9ac31a |
10142490 has 32 divisors (see below), whose sum is σ = 24463296. Its totient is φ = 2691200.
The previous prime is 10142479. The next prime is 10142491. The reversal of 10142490 is 9424101.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10142491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6265 + ... + 7715.
It is an arithmetic number, because the mean of its divisors is an integer number (764478).
Almost surely, 210142490 is an apocalyptic number.
10142490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10142490 is an abundant number, since it is smaller than the sum of its proper divisors (14320806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10142490 is a wasteful number, since it uses less digits than its factorization.
10142490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1694.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 10142490 is about 3184.7276178662. The cubic root of 10142490 is about 216.4619315181.
Adding to 10142490 its reverse (9424101), we get a palindrome (19566591).
The spelling of 10142490 in words is "ten million, one hundred forty-two thousand, four hundred ninety".
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