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5381165 = 51736221
BaseRepresentation
bin10100100001110000101101
3101010101120102
4110201300231
52334144130
6311200445
763511346
oct24416055
911111512
105381165
113045a49
121976125
13116542a
14a010cd
15714645
hex521c2d

5381165 has 8 divisors (see below), whose sum is σ = 6495768. Its totient is φ = 4279360.

The previous prime is 5381141. The next prime is 5381183. The reversal of 5381165 is 5611835.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 5004169 = 614^2 + 2237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5381165 - 28 = 5380909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (811971).

Almost surely, 25381165 is an apocalyptic number.

It is an amenable number.

5381165 is a deficient number, since it is larger than the sum of its proper divisors (1114603).

5381165 is a wasteful number, since it uses less digits than its factorization.

5381165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its digits is 3600, while the sum is 29.

The square root of 5381165 is about 2319.7338209372. The cubic root of 5381165 is about 175.2368493656.

It can be divided in two parts, 53 and 81165, that added together give a palindrome (81218).

The spelling of 5381165 in words is "five million, three hundred eighty-one thousand, one hundred sixty-five".

Divisors: 1 5 173 865 6221 31105 1076233 5381165