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12750232 = 2311144889
BaseRepresentation
bin110000101000…
…110110011000
3212222210000211
4300220312120
511231001412
61133140504
7213242455
oct60506630
925883024
1012750232
117219490
12432a734
132845621
14199c82c
1511bcca7
hexc28d98

12750232 has 16 divisors (see below), whose sum is σ = 26080200. Its totient is φ = 5795520.

The previous prime is 12750223. The next prime is 12750239. The reversal of 12750232 is 23205721.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750239) 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, 72357 + ... + 72532.

Almost surely, 212750232 is an apocalyptic number.

It is an amenable number.

12750232 is an abundant number, since it is smaller than the sum of its proper divisors (13329968).

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

12750232 is a wasteful number, since it uses less digits than its factorization.

12750232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144906 (or 144902 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12750232 is about 3570.7467006216. The cubic root of 12750232 is about 233.6178533768.

Adding to 12750232 its reverse (23205721), we get a palindrome (35955953).

The spelling of 12750232 in words is "twelve million, seven hundred fifty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 144889 289778 579556 1159112 1593779 3187558 6375116 12750232