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5238987 = 313134333
BaseRepresentation
bin10011111111000011001011
3100212011112120
4103333003023
52320121422
6304142323
762350005
oct23770313
910764476
105238987
112a59146
1219079a3
1311157c0
149a5375
156d745c
hex4ff0cb

5238987 has 8 divisors (see below), whose sum is σ = 7522704. Its totient is φ = 3223968.

The previous prime is 5238979. The next prime is 5239007. The reversal of 5238987 is 7898325.

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

It is not a de Polignac number, because 5238987 - 23 = 5238979 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

5238987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5238967) 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, 67128 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (940338).

Almost surely, 25238987 is an apocalyptic number.

5238987 is a deficient number, since it is larger than the sum of its proper divisors (2283717).

5238987 is a wasteful number, since it uses less digits than its factorization.

5238987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134349.

The product of its digits is 120960, while the sum is 42.

The square root of 5238987 is about 2288.8833522047. The cubic root of 5238987 is about 173.6797186553.

The spelling of 5238987 in words is "five million, two hundred thirty-eight thousand, nine hundred eighty-seven".

Divisors: 1 3 13 39 134333 402999 1746329 5238987