Search a number
-
+
12403102 = 26201551
BaseRepresentation
bin101111010100…
…000110011110
3212100010212011
4233110012132
511133344402
61121501434
7210265435
oct57240636
925303764
1012403102
1170016a8
1241a187a
13275361a
14190c11c
15114eed7
hexbd419e

12403102 has 4 divisors (see below), whose sum is σ = 18604656. Its totient is φ = 6201550.

The previous prime is 12403087. The next prime is 12403121. The reversal of 12403102 is 20130421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20130421 = 27772673.

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, 3100774 + ... + 3100777.

It is an arithmetic number, because the mean of its divisors is an integer number (4651164).

Almost surely, 212403102 is an apocalyptic number.

12403102 is a deficient number, since it is larger than the sum of its proper divisors (6201554).

12403102 is an equidigital number, since it uses as much as digits as its factorization.

12403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201553.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12403102 is about 3521.8037991915. The cubic root of 12403102 is about 231.4782045295.

Adding to 12403102 its reverse (20130421), we get a palindrome (32533523).

The spelling of 12403102 in words is "twelve million, four hundred three thousand, one hundred two".

Divisors: 1 2 6201551 12403102