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5299987 = 72119833
BaseRepresentation
bin10100001101111100010011
3100222021012211
4110031330103
52324044422
6305332551
763022600
oct24157423
910867184
105299987
112a9aa60
121937157
1311374b4
149bd6a7
156ea577
hex50df13

5299987 has 12 divisors (see below), whose sum is σ = 6726456. Its totient is φ = 4129440.

The previous prime is 5299979. The next prime is 5299997. The reversal of 5299987 is 7899925.

It is not a de Polignac number, because 5299987 - 23 = 5299979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 5299987.

It is not an unprimeable number, because it can be changed into a prime (5299927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4378 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (560538).

Almost surely, 25299987 is an apocalyptic number.

5299987 is a deficient number, since it is larger than the sum of its proper divisors (1426469).

5299987 is a wasteful number, since it uses less digits than its factorization.

5299987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858 (or 9851 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 5299987 is about 2302.1700632230. The cubic root of 5299987 is about 174.3511975750.

It can be divided in two parts, 5 and 299987, that added together give a palindrome (299992).

The spelling of 5299987 in words is "five million, two hundred ninety-nine thousand, nine hundred eighty-seven".

Divisors: 1 7 11 49 77 539 9833 68831 108163 481817 757141 5299987