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10105142 = 223219677
BaseRepresentation
bin100110100011…
…000100110110
3201000101122112
4212203010312
510041331032
61000331022
7151615025
oct46430466
921011575
1010105142
115782163
123473a72
13212a698
1414b08bc
15d491b2
hex9a3136

10105142 has 8 divisors (see below), whose sum is σ = 15816816. Its totient is φ = 4832872.

The previous prime is 10105133. The next prime is 10105153. The reversal of 10105142 is 24150101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101051422 = 204227789680328, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 109793 + ... + 109884.

It is an arithmetic number, because the mean of its divisors is an integer number (1977102).

Almost surely, 210105142 is an apocalyptic number.

10105142 is a deficient number, since it is larger than the sum of its proper divisors (5711674).

10105142 is a wasteful number, since it uses less digits than its factorization.

10105142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219702.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10105142 is about 3178.8586001897. The cubic root of 10105142 is about 216.1959099350.

Adding to 10105142 its reverse (24150101), we get a palindrome (34255243).

The spelling of 10105142 in words is "ten million, one hundred five thousand, one hundred forty-two".

Divisors: 1 2 23 46 219677 439354 5052571 10105142