Base | Representation |
---|---|
bin | 100110111101… |
… | …010000000101 |
3 | 201012211201110 |
4 | 212331100011 |
5 | 10103243412 |
6 | 1002515233 |
7 | 152542431 |
oct | 46752005 |
9 | 21184643 |
10 | 10212357 |
11 | 5845771 |
12 | 3505b19 |
13 | 216741c |
14 | 14db9c1 |
15 | d6ad3c |
hex | 9bd405 |
10212357 has 4 divisors (see below), whose sum is σ = 13616480. Its totient is φ = 6808236.
The previous prime is 10212353. The next prime is 10212373. The reversal of 10212357 is 75321201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 10212357 - 22 = 10212353 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10212353) 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 3 ways as a sum of consecutive naturals, for example, 1702057 + ... + 1702062.
It is an arithmetic number, because the mean of its divisors is an integer number (3404120).
Almost surely, 210212357 is an apocalyptic number.
It is an amenable number.
10212357 is a deficient number, since it is larger than the sum of its proper divisors (3404123).
10212357 is an equidigital number, since it uses as much as digits as its factorization.
10212357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3404122.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 10212357 is about 3195.6778623635. The cubic root of 10212357 is about 216.9578305084.
Adding to 10212357 its reverse (75321201), we get a palindrome (85533558).
The spelling of 10212357 in words is "ten million, two hundred twelve thousand, three hundred fifty-seven".
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