Search a number
-
+
12490502 = 26245251
BaseRepresentation
bin101111101001…
…011100000110
3212111120202012
4233221130012
511144144002
61123414222
7211111313
oct57513406
925446665
1012490502
117061332
124224372
13278433b
141931d0a
15116ad52
hexbe9706

12490502 has 4 divisors (see below), whose sum is σ = 18735756. Its totient is φ = 6245250.

The previous prime is 12490493. The next prime is 12490507. The reversal of 12490502 is 20509421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12490507) by changing a digit.

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, 3122624 + ... + 3122627.

It is an arithmetic number, because the mean of its divisors is an integer number (4683939).

Almost surely, 212490502 is an apocalyptic number.

12490502 is a deficient number, since it is larger than the sum of its proper divisors (6245254).

12490502 is an equidigital number, since it uses as much as digits as its factorization.

12490502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245253.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12490502 is about 3534.1904306361. The cubic root of 12490502 is about 232.0206457053.

Adding to 12490502 its reverse (20509421), we get a palindrome (32999923).

The spelling of 12490502 in words is "twelve million, four hundred ninety thousand, five hundred two".

Divisors: 1 2 6245251 12490502