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5132381 = 23372163
BaseRepresentation
bin10011100101000001011101
3100122202022012
4103211001131
52303214011
6302001005
761424132
oct23450135
910582265
105132381
112996041
121876165
1310a9117
14978589
156b5a8b
hex4e505d

5132381 has 12 divisors (see below), whose sum is σ = 5537952. Its totient is φ = 4747248.

The previous prime is 5132359. The next prime is 5132417. The reversal of 5132381 is 1832315.

It is a de Polignac number, because none of the positive numbers 2k-5132381 is a prime.

It is a super-2 number, since 2×51323812 = 52682669458322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132311) 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 11 ways as a sum of consecutive naturals, for example, 31406 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (461496).

Almost surely, 25132381 is an apocalyptic number.

It is an amenable number.

5132381 is a deficient number, since it is larger than the sum of its proper divisors (405571).

5132381 is a wasteful number, since it uses less digits than its factorization.

5132381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 223 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 5132381 is about 2265.4758881966. The cubic root of 5132381 is about 172.4935907442.

Adding to 5132381 its reverse (1832315), we get a palindrome (6964696).

The spelling of 5132381 in words is "five million, one hundred thirty-two thousand, three hundred eighty-one".

Divisors: 1 23 37 163 851 1369 3749 6031 31487 138713 223147 5132381