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10122142 = 25239677
BaseRepresentation
bin100110100111…
…001110011110
3201001020222011
4212213032132
510042402032
61000541434
7152015422
oct46471636
921036864
1010122142
115793a08
12348187a
132135344
1414b6b82
15d4e247
hex9a739e

10122142 has 8 divisors (see below), whose sum is σ = 15213816. Its totient is φ = 5050872.

The previous prime is 10122113. The next prime is 10122143. The reversal of 10122142 is 24122101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (1901727).

Almost surely, 210122142 is an apocalyptic number.

10122142 is a deficient number, since it is larger than the sum of its proper divisors (5091674).

10122142 is an equidigital number, since it uses as much as digits as its factorization.

10122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10122142 is about 3181.5313922701. The cubic root of 10122142 is about 216.3170783255.

Adding to 10122142 its reverse (24122101), we get a palindrome (34244243).

The spelling of 10122142 in words is "ten million, one hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 523 1046 9677 19354 5061071 10122142