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5019287 = 713192903
BaseRepresentation
bin10011001001011010010111
3100110000011112
4103021122113
52241104122
6255325235
760443330
oct23113227
910400145
105019287
112919079
12182081b
1310697c0
14949287
156922e2
hex4c9697

5019287 has 16 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 3760992.

The previous prime is 5019281. The next prime is 5019299. The reversal of 5019287 is 7829105.

It is a cyclic number.

It is not a de Polignac number, because 5019287 - 28 = 5019031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5019281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278 + ... + 3180.

It is an arithmetic number, because the mean of its divisors is an integer number (406560).

Almost surely, 25019287 is an apocalyptic number.

5019287 is a deficient number, since it is larger than the sum of its proper divisors (1485673).

5019287 is a wasteful number, since it uses less digits than its factorization.

5019287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5019287 is about 2240.3765308537. The cubic root of 5019287 is about 171.2171812720.

The spelling of 5019287 in words is "five million, nineteen thousand, two hundred eighty-seven".

Divisors: 1 7 13 19 91 133 247 1729 2903 20321 37739 55157 264173 386099 717041 5019287