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12463140 = 2235207719
BaseRepresentation
bin101111100010…
…110000100100
3212110012012210
4233202300210
511142310030
61123043420
7210635454
oct57426044
925405183
1012463140
117042818
124210570
132774a51
141925d64
151162bb0
hexbe2c24

12463140 has 24 divisors (see below), whose sum is σ = 34896960. Its totient is φ = 3323488.

The previous prime is 12463123. The next prime is 12463141. The reversal of 12463140 is 4136421.

It is not an unprimeable number, because it can be changed into a prime (12463141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103800 + ... + 103919.

It is an arithmetic number, because the mean of its divisors is an integer number (1454040).

Almost surely, 212463140 is an apocalyptic number.

12463140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12463140 is an abundant number, since it is smaller than the sum of its proper divisors (22433820).

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

12463140 is a wasteful number, since it uses less digits than its factorization.

12463140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207731 (or 207729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12463140 is about 3530.3172661958. The cubic root of 12463140 is about 231.8510984680.

Adding to 12463140 its reverse (4136421), we get a palindrome (16599561).

The spelling of 12463140 in words is "twelve million, four hundred sixty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 207719 415438 623157 830876 1038595 1246314 2077190 2492628 3115785 4154380 6231570 12463140