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10261142 = 25130571
BaseRepresentation
bin100111001001…
…001010010110
3201022022122022
4213021022112
510111324032
61003533142
7153134603
oct47111226
921268568
1010261142
115879391
12352a1b2
1321836a8
1415116aa
15d7a512
hex9c9296

10261142 has 4 divisors (see below), whose sum is σ = 15391716. Its totient is φ = 5130570.

The previous prime is 10261129. The next prime is 10261177. The reversal of 10261142 is 24116201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24116201 = 143916759.

It is a self number, because there is not a number n which added to its sum of digits gives 10261142.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2565284 + ... + 2565287.

It is an arithmetic number, because the mean of its divisors is an integer number (3847929).

Almost surely, 210261142 is an apocalyptic number.

10261142 is a deficient number, since it is larger than the sum of its proper divisors (5130574).

10261142 is an equidigital number, since it uses as much as digits as its factorization.

10261142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130573.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10261142 is about 3203.3017341487. The cubic root of 10261142 is about 217.3027550750.

Adding to 10261142 its reverse (24116201), we get a palindrome (34377343).

The spelling of 10261142 in words is "ten million, two hundred sixty-one thousand, one hundred forty-two".

Divisors: 1 2 5130571 10261142