Search a number
-
+
12550315 = 57135353
BaseRepresentation
bin101111111000…
…000010101011
3212121121210111
4233320002223
511203102230
61124555151
7211450561
oct57700253
925547714
1012550315
1170a2268
124252ab7
1327a562b
141949a31
15117d92a
hexbf80ab

12550315 has 8 divisors (see below), whose sum is σ = 15272928. Its totient is φ = 9898560.

The previous prime is 12550313. The next prime is 12550337. The reversal of 12550315 is 51305521.

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

It is not a de Polignac number, because 12550315 - 21 = 12550313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550313) 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 in 7 ways as a sum of consecutive naturals, for example, 17322 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (1909116).

Almost surely, 212550315 is an apocalyptic number.

12550315 is a deficient number, since it is larger than the sum of its proper divisors (2722613).

12550315 is an equidigital number, since it uses as much as digits as its factorization.

12550315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35429.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 12550315 is about 3542.6423754029. The cubic root of 12550315 is about 232.3904135347.

Adding to 12550315 its reverse (51305521), we get a palindrome (63855836).

The spelling of 12550315 in words is "twelve million, five hundred fifty thousand, three hundred fifteen".

Divisors: 1 5 71 355 35353 176765 2510063 12550315