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10100242 = 25050121
BaseRepresentation
bin100110100001…
…111000010010
3201000010221001
4212201320102
510041201432
61000252214
7151564525
oct46417022
921003831
1010100242
115779509
12347106a
132128399
1414acbbc
15d479e7
hex9a1e12

10100242 has 4 divisors (see below), whose sum is σ = 15150366. Its totient is φ = 5050120.

The previous prime is 10100221. The next prime is 10100249. The reversal of 10100242 is 24200101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9916201 + 184041 = 3149^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (10100249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525059 + ... + 2525062.

Almost surely, 210100242 is an apocalyptic number.

10100242 is a deficient number, since it is larger than the sum of its proper divisors (5050124).

10100242 is an equidigital number, since it uses as much as digits as its factorization.

10100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050123.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10100242 is about 3178.0877898510. The cubic root of 10100242 is about 216.1609597010.

Adding to 10100242 its reverse (24200101), we get a palindrome (34300343).

The spelling of 10100242 in words is "ten million, one hundred thousand, two hundred forty-two".

Divisors: 1 2 5050121 10100242