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5087391 = 31695797
BaseRepresentation
bin10011011010000010011111
3100120110120220
4103122002133
52300244031
6301012423
761146021
oct23320237
910513526
105087391
112965261
121854113
1310917ba
14966011
156a7596
hex4da09f

5087391 has 4 divisors (see below), whose sum is σ = 6783192. Its totient is φ = 3391592.

The previous prime is 5087353. The next prime is 5087399. The reversal of 5087391 is 1937805.

5087391 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 5087391 - 27 = 5087263 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5087399) 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, 847896 + ... + 847901.

It is an arithmetic number, because the mean of its divisors is an integer number (1695798).

Almost surely, 25087391 is an apocalyptic number.

5087391 is a deficient number, since it is larger than the sum of its proper divisors (1695801).

5087391 is a wasteful number, since it uses less digits than its factorization.

5087391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695800.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 5087391 is about 2255.5245509637. The cubic root of 5087391 is about 171.9880895845.

The spelling of 5087391 in words is "five million, eighty-seven thousand, three hundred ninety-one".

Divisors: 1 3 1695797 5087391