Search a number
-
+
12422525 = 52496901
BaseRepresentation
bin101111011000…
…110101111101
3212101010111112
4233120311331
511140010100
61122131405
7210406163
oct57306575
925333445
1012422525
117015255
1241b0b65
13275c40b
141915233
151155b35
hexbd8d7d

12422525 has 6 divisors (see below), whose sum is σ = 15403962. Its totient is φ = 9938000.

The previous prime is 12422471. The next prime is 12422533. The reversal of 12422525 is 52522421.

It can be written as a sum of positive squares in 3 ways, for example, as 326041 + 12096484 = 571^2 + 3478^2 .

It is not a de Polignac number, because 12422525 - 210 = 12421501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12422525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248426 + ... + 248475.

It is an arithmetic number, because the mean of its divisors is an integer number (2567327).

Almost surely, 212422525 is an apocalyptic number.

It is an amenable number.

12422525 is a deficient number, since it is larger than the sum of its proper divisors (2981437).

12422525 is an equidigital number, since it uses as much as digits as its factorization.

12422525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496911 (or 496906 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 12422525 is about 3524.5602562589. The cubic root of 12422525 is about 231.5989715313.

Adding to 12422525 its reverse (52522421), we get a palindrome (64944946).

The spelling of 12422525 in words is "twelve million, four hundred twenty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 496901 2484505 12422525