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5151243 = 31717081
BaseRepresentation
bin10011101001101000001011
3100200201011210
4103221220023
52304314433
6302224203
761533126
oct23515013
910621153
105151243
1129a9229
121885063
1310b4896
149813bd
156bb463
hex4e9a0b

5151243 has 4 divisors (see below), whose sum is σ = 6868328. Its totient is φ = 3434160.

The previous prime is 5151227. The next prime is 5151253. The reversal of 5151243 is 3421515.

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

It is not a de Polignac number, because 5151243 - 24 = 5151227 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151203) 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 3 ways as a sum of consecutive naturals, for example, 858538 + ... + 858543.

It is an arithmetic number, because the mean of its divisors is an integer number (1717082).

Almost surely, 25151243 is an apocalyptic number.

5151243 is a deficient number, since it is larger than the sum of its proper divisors (1717085).

5151243 is a wasteful number, since it uses less digits than its factorization.

5151243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717084.

The product of its digits is 600, while the sum is 21.

The square root of 5151243 is about 2269.6349926805. The cubic root of 5151243 is about 172.7046426577.

Adding to 5151243 its reverse (3421515), we get a palindrome (8572758).

The spelling of 5151243 in words is "five million, one hundred fifty-one thousand, two hundred forty-three".

Divisors: 1 3 1717081 5151243