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5198239 = 19726387
BaseRepresentation
bin10011110101000110011111
3100210002122101
4103311012133
52312320424
6303225531
762120134
oct23650637
910702571
105198239
112a30572
1218a82a7
1311000a7
1499458b
156ca344
hex4f519f

5198239 has 4 divisors (see below), whose sum is σ = 5224824. Its totient is φ = 5171656.

The previous prime is 5198213. The next prime is 5198251. The reversal of 5198239 is 9328915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5198239 - 29 = 5197727 is a prime.

It is a super-2 number, since 2×51982392 = 54043377402242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5198198 and 5198207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12997 + ... + 13390.

It is an arithmetic number, because the mean of its divisors is an integer number (1306206).

Almost surely, 25198239 is an apocalyptic number.

5198239 is a deficient number, since it is larger than the sum of its proper divisors (26585).

5198239 is a wasteful number, since it uses less digits than its factorization.

5198239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26584.

The product of its digits is 19440, while the sum is 37.

The square root of 5198239 is about 2279.9646927091. The cubic root of 5198239 is about 173.2282618464.

The spelling of 5198239 in words is "five million, one hundred ninety-eight thousand, two hundred thirty-nine".

Divisors: 1 197 26387 5198239