Search a number
-
+
12504490 = 251250449
BaseRepresentation
bin101111101100…
…110110101010
3212112021221021
4233230312222
511200120430
61124003054
7211200145
oct57546652
925467837
1012504490
117070899
12423048a
13278a80b
14193705c
15117007a
hexbecdaa

12504490 has 8 divisors (see below), whose sum is σ = 22508100. Its totient is φ = 5001792.

The previous prime is 12504473. The next prime is 12504497. The reversal of 12504490 is 9440521.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 1555009 = 3309^2 + 1247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12504497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625215 + ... + 625234.

Almost surely, 212504490 is an apocalyptic number.

12504490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12504490 is a deficient number, since it is larger than the sum of its proper divisors (10003610).

12504490 is a wasteful number, since it uses less digits than its factorization.

12504490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250456.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12504490 is about 3536.1688308111. The cubic root of 12504490 is about 232.1072259993.

The spelling of 12504490 in words is "twelve million, five hundred four thousand, four hundred ninety".

Divisors: 1 2 5 10 1250449 2500898 6252245 12504490