Search a number
-
+
12425400 = 2334521359
BaseRepresentation
bin101111011001…
…100010111000
3212101021110000
4233121202320
511140103100
61122153000
7210420441
oct57314270
925337400
1012425400
117017429
1241b2760
132760810
1419162c8
151156900
hexbd98b8

12425400 has 240 divisors, whose sum is σ = 47262600. Its totient is φ = 3006720.

The previous prime is 12425393. The next prime is 12425417. The reversal of 12425400 is 452421.

12425400 is a `hidden beast` number, since 124 + 2 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 210571 + ... + 210629.

Almost surely, 212425400 is an apocalyptic number.

12425400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12425400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23631300).

12425400 is an abundant number, since it is smaller than the sum of its proper divisors (34837200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12425400 is a wasteful number, since it uses less digits than its factorization.

12425400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12425400 is about 3524.9680849619. The cubic root of 12425400 is about 231.6168368119.

Adding to 12425400 its reverse (452421), we get a palindrome (12877821).

The spelling of 12425400 in words is "twelve million, four hundred twenty-five thousand, four hundred".