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5042743 = 31316111
BaseRepresentation
bin10011001111001000110111
3100111012100021
4103033020313
52242331433
6300030011
760601606
oct23171067
910435307
105042743
112934762
121832307
131077394
14953a3d
1569922d
hex4cf237

5042743 has 4 divisors (see below), whose sum is σ = 5059168. Its totient is φ = 5026320.

The previous prime is 5042729. The next prime is 5042749. The reversal of 5042743 is 3472405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3472405 = 5694481.

It is a cyclic number.

It is not a de Polignac number, because 5042743 - 25 = 5042711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7743 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (1264792).

Almost surely, 25042743 is an apocalyptic number.

5042743 is a deficient number, since it is larger than the sum of its proper divisors (16425).

5042743 is a wasteful number, since it uses less digits than its factorization.

5042743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 5042743 is about 2245.6052636205. The cubic root of 5042743 is about 171.4834760973.

The spelling of 5042743 in words is "five million, forty-two thousand, seven hundred forty-three".

Divisors: 1 313 16111 5042743