Base | Representation |
---|---|
bin | 100110101100… |
… | …001000101011 |
3 | 201002021112221 |
4 | 212230020223 |
5 | 10044023001 |
6 | 1001214511 |
7 | 152131150 |
oct | 46541053 |
9 | 21067487 |
10 | 10142251 |
11 | 57a8029 |
12 | 3491437 |
13 | 2141542 |
14 | 14c0227 |
15 | d551a1 |
hex | 9ac22b |
10142251 has 8 divisors (see below), whose sum is σ = 12273120. Its totient is φ = 8181888.
The previous prime is 10142233. The next prime is 10142267. The reversal of 10142251 is 15224101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10142251 - 29 = 10141739 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10142221) 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 7 ways as a sum of consecutive naturals, for example, 42496 + ... + 42733.
It is an arithmetic number, because the mean of its divisors is an integer number (1534140).
Almost surely, 210142251 is an apocalyptic number.
10142251 is a deficient number, since it is larger than the sum of its proper divisors (2130869).
10142251 is an equidigital number, since it uses as much as digits as its factorization.
10142251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85253.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 10142251 is about 3184.6900948130. The cubic root of 10142251 is about 216.4602312516.
Adding to 10142251 its reverse (15224101), we get a palindrome (25366352).
The spelling of 10142251 in words is "ten million, one hundred forty-two thousand, two hundred fifty-one".
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