Search a number
-
+
10509302 = 25254651
BaseRepresentation
bin101000000101…
…101111110110
3201202221001102
4220011233312
510142244202
61013130102
7155220236
oct50055766
921687042
1010509302
115a28881
123629932
13223c62b
141577cc6
15dc8d02
hexa05bf6

10509302 has 4 divisors (see below), whose sum is σ = 15763956. Its totient is φ = 5254650.

The previous prime is 10509293. The next prime is 10509313. The reversal of 10509302 is 20390501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20390501 = 149136849.

It is a super-2 number, since 2×105093022 = 220890857054408, 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627324 + ... + 2627327.

It is an arithmetic number, because the mean of its divisors is an integer number (3940989).

Almost surely, 210509302 is an apocalyptic number.

10509302 is a deficient number, since it is larger than the sum of its proper divisors (5254654).

10509302 is an equidigital number, since it uses as much as digits as its factorization.

10509302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254653.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 10509302 is about 3241.8053612146. The cubic root of 10509302 is about 219.0406018561.

Adding to 10509302 its reverse (20390501), we get a palindrome (30899803).

The spelling of 10509302 in words is "ten million, five hundred nine thousand, three hundred two".

Divisors: 1 2 5254651 10509302