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5161180 = 2251511709
BaseRepresentation
bin10011101100000011011100
3100201012210211
4103230003130
52310124210
6302342204
761604113
oct23540334
910635724
105161180
112a05742
12188a964
1310b926b
14984c7a
156be38a
hex4ec0dc

5161180 has 24 divisors (see below), whose sum is σ = 10916640. Its totient is φ = 2049600.

The previous prime is 5161139. The next prime is 5161181. The reversal of 5161180 is 811615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161181) 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, 2166 + ... + 3874.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 25161180 is an apocalyptic number.

It is an amenable number.

5161180 is an abundant number, since it is smaller than the sum of its proper divisors (5755460).

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

5161180 is a wasteful number, since it uses less digits than its factorization.

5161180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 5161180 is about 2271.8230564901. The cubic root of 5161180 is about 172.8156232302.

Adding to 5161180 its reverse (811615), we get a palindrome (5972795).

The spelling of 5161180 in words is "five million, one hundred sixty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 1709 3020 3418 6836 8545 17090 34180 258059 516118 1032236 1290295 2580590 5161180