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5181120 = 263257257
BaseRepresentation
bin10011110000111011000000
3100202020011100
4103300323000
52311243440
6303014400
762016210
oct23607300
910666140
105181120
112a1971a
12189a400
1310c5369
1498c240
156c5230
hex4f0ec0

5181120 has 168 divisors, whose sum is σ = 20445984. Its totient is φ = 1179648.

The previous prime is 5181103. The next prime is 5181133. The reversal of 5181120 is 211815.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a junction number, because it is equal to n+sod(n) for n = 5181093 and 5181102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20032 + ... + 20288.

Almost surely, 25181120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5181120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10222992).

5181120 is an abundant number, since it is smaller than the sum of its proper divisors (15264864).

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

5181120 is a wasteful number, since it uses less digits than its factorization.

5181120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5181120 is about 2276.2073719237. The cubic root of 5181120 is about 173.0378925094.

Adding to 5181120 its reverse (211815), we get a palindrome (5392935).

The spelling of 5181120 in words is "five million, one hundred eighty-one thousand, one hundred twenty".