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5459987 = 13419999
BaseRepresentation
bin10100110101000000010011
3101021101200202
4110311000103
52344204422
6313005415
764260221
oct24650023
911241622
105459987
11309a195
1219b386b
131192280
14a21b11
1572cb92
hex535013

5459987 has 4 divisors (see below), whose sum is σ = 5880000. Its totient is φ = 5039976.

The previous prime is 5459983. The next prime is 5460017. The reversal of 5459987 is 7899545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7899545 = 51579909.

It is a cyclic number.

It is not a de Polignac number, because 5459987 - 22 = 5459983 is a prime.

It is a super-2 number, since 2×54599872 = 59622916080338, which contains 22 as substring.

It is a d-powerful number, because it can be written as 54 + 44 + 58 + 94 + 97 + 86 + 75 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5459981) 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, 209987 + ... + 210012.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000).

Almost surely, 25459987 is an apocalyptic number.

5459987 is a deficient number, since it is larger than the sum of its proper divisors (420013).

5459987 is a wasteful number, since it uses less digits than its factorization.

5459987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420012.

The product of its digits is 453600, while the sum is 47.

The square root of 5459987 is about 2336.6615073647. The cubic root of 5459987 is about 176.0883144070.

It can be divided in two parts, 5459 and 987, that added together give a palindrome (6446).

The spelling of 5459987 in words is "five million, four hundred fifty-nine thousand, nine hundred eighty-seven".

Divisors: 1 13 419999 5459987