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12425146 = 261710069
BaseRepresentation
bin101111011001…
…011110111010
3212101021002121
4233121132322
511140101041
61122151454
7210416626
oct57313672
925337077
1012425146
117017218
1241b258a
132760676
141916186
1511567d1
hexbd97ba

12425146 has 8 divisors (see below), whose sum is σ = 18669780. Its totient is φ = 6201888.

The previous prime is 12425143. The next prime is 12425159. The reversal of 12425146 is 64152421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10208025 + 2217121 = 3195^2 + 1489^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12425146.

It is not an unprimeable number, because it can be changed into a prime (12425143) 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, 3801 + ... + 6268.

Almost surely, 212425146 is an apocalyptic number.

12425146 is a deficient number, since it is larger than the sum of its proper divisors (6244634).

12425146 is a wasteful number, since it uses less digits than its factorization.

12425146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688.

The product of its digits is 1920, while the sum is 25.

The square root of 12425146 is about 3524.9320560828. The cubic root of 12425146 is about 231.6152585642.

Adding to 12425146 its reverse (64152421), we get a palindrome (76577567).

The spelling of 12425146 in words is "twelve million, four hundred twenty-five thousand, one hundred forty-six".

Divisors: 1 2 617 1234 10069 20138 6212573 12425146