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5181132 = 2231139251
BaseRepresentation
bin10011110000111011001100
3100202020011210
4103300323030
52311244012
6303014420
762016225
oct23607314
910666153
105181132
112a19730
12189a410
1310c5378
1498c24c
156c523c
hex4f0ecc

5181132 has 24 divisors (see below), whose sum is σ = 13188672. Its totient is φ = 1570000.

The previous prime is 5181103. The next prime is 5181133. The reversal of 5181132 is 2311815.

It is a junction number, because it is equal to n+sod(n) for n = 5181099 and 5181108.

It is not an unprimeable number, because it can be changed into a prime (5181133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19494 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (549528).

Almost surely, 25181132 is an apocalyptic number.

It is an amenable number.

5181132 is an abundant number, since it is smaller than the sum of its proper divisors (8007540).

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

5181132 is a wasteful number, since it uses less digits than its factorization.

5181132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39269 (or 39267 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 5181132 is about 2276.2100078859. The cubic root of 5181132 is about 173.0380261004.

Adding to 5181132 its reverse (2311815), we get a palindrome (7492947).

The spelling of 5181132 in words is "five million, one hundred eighty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 39251 78502 117753 157004 235506 431761 471012 863522 1295283 1727044 2590566 5181132