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5251939 = 71168207
BaseRepresentation
bin10100000010001101100011
3100212211022021
4110002031203
52321030224
6304322311
762432530
oct24021543
910784267
105251939
112a67950
121913397
13111b674
149a9d87
156db1e4
hex502363

5251939 has 8 divisors (see below), whose sum is σ = 6547968. Its totient is φ = 4092360.

The previous prime is 5251933. The next prime is 5251949. The reversal of 5251939 is 9391525.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5251939 is a prime.

5251939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5251933) 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, 34027 + ... + 34180.

It is an arithmetic number, because the mean of its divisors is an integer number (818496).

Almost surely, 25251939 is an apocalyptic number.

5251939 is a deficient number, since it is larger than the sum of its proper divisors (1296029).

5251939 is a wasteful number, since it uses less digits than its factorization.

5251939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68225.

The product of its digits is 12150, while the sum is 34.

The square root of 5251939 is about 2291.7109329058. The cubic root of 5251939 is about 173.8227264858.

The spelling of 5251939 in words is "five million, two hundred fifty-one thousand, nine hundred thirty-nine".

Divisors: 1 7 11 77 68207 477449 750277 5251939