Base | Representation |
---|---|
bin | 100111000100… |
… | …101101100011 |
3 | 201021101122020 |
4 | 213010231203 |
5 | 10110233130 |
6 | 1003312523 |
7 | 153030504 |
oct | 47045543 |
9 | 21241566 |
10 | 10242915 |
11 | 5866721 |
12 | 351b743 |
13 | 21782c7 |
14 | 1508bab |
15 | d74e10 |
hex | 9c4b63 |
10242915 has 16 divisors (see below), whose sum is σ = 16553376. Its totient is φ = 5408000.
The previous prime is 10242899. The next prime is 10242929. The reversal of 10242915 is 51924201.
10242915 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10242915 - 24 = 10242899 is a prime.
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, 1866 + ... + 4895.
It is an arithmetic number, because the mean of its divisors is an integer number (1034586).
Almost surely, 210242915 is an apocalyptic number.
10242915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10242915 is a deficient number, since it is larger than the sum of its proper divisors (6310461).
10242915 is a wasteful number, since it uses less digits than its factorization.
10242915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6870.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 10242915 is about 3200.4554363403. The cubic root of 10242915 is about 217.1740129126.
The spelling of 10242915 in words is "ten million, two hundred forty-two thousand, nine hundred fifteen".
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