10309242 has 32 divisors (see below), whose sum is σ = 22254912. Its totient is φ = 3171584.

The previous prime is 10309237. The next prime is 10309253. The reversal of 10309242 is 24290301.

It is a super-2 number, since 2×10309242² = 212560941229128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4453 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (695466).

Almost surely, 2^10309242 is an apocalyptic number.

10309242 is an abundant number, since it is smaller than the sum of its proper divisors (11945670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10309242 is a wasteful number, since it uses less digits than its factorization.

10309242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10309242 is about 3210.8008346828. The cubic root of 10309242 is about 217.6417677941.

Adding to 10309242 its reverse (24290301), we get a palindrome (34599543).

The spelling of 10309242 in words is "ten million, three hundred nine thousand, two hundred forty-two".