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10140242 = 27724303
BaseRepresentation
bin100110101011…
…101001010010
3201002011210112
4212223221102
510043441432
61001201322
7152122250
oct46535122
921064715
1010140242
1157a6572
123490242
132140658
1414bd5d0
15d547b2
hex9aba52

10140242 has 8 divisors (see below), whose sum is σ = 17383296. Its totient is φ = 4345812.

The previous prime is 10140241. The next prime is 10140253. The reversal of 10140242 is 24204101.

10140242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×101402423 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 724303 = 10140242 / (1 + 0 + 1 + 4 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (10140241) 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, 362138 + ... + 362165.

It is an arithmetic number, because the mean of its divisors is an integer number (2172912).

Almost surely, 210140242 is an apocalyptic number.

10140242 is a deficient number, since it is larger than the sum of its proper divisors (7243054).

10140242 is an equidigital number, since it uses as much as digits as its factorization.

10140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724312.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10140242 is about 3184.3746638861. The cubic root of 10140242 is about 216.4459379972.

Adding to 10140242 its reverse (24204101), we get a palindrome (34344343).

The spelling of 10140242 in words is "ten million, one hundred forty thousand, two hundred forty-two".

Divisors: 1 2 7 14 724303 1448606 5070121 10140242