Search a number
-
+
5456987 = 26320749
BaseRepresentation
bin10100110100010001011011
3101021020120122
4110310101123
52344110422
6312543455
764245404
oct24642133
911236518
105456987
113097a08
1219b1b8b
131190ab3
14a209ab
1572bd42
hex53445b

5456987 has 4 divisors (see below), whose sum is σ = 5478000. Its totient is φ = 5435976.

The previous prime is 5456981. The next prime is 5456993. The reversal of 5456987 is 7896545.

5456987 is digitally balanced in base 3, 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 an interprime number because it is at equal distance from previous prime (5456981) and next prime (5456993).

It is a cyclic number.

It is not a de Polignac number, because 5456987 - 212 = 5452891 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5456981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10112 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (1369500).

Almost surely, 25456987 is an apocalyptic number.

5456987 is a deficient number, since it is larger than the sum of its proper divisors (21013).

5456987 is a wasteful number, since it uses less digits than its factorization.

5456987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012.

The product of its digits is 302400, while the sum is 44.

The square root of 5456987 is about 2336.0194776585. The cubic root of 5456987 is about 176.0560578146.

The spelling of 5456987 in words is "five million, four hundred fifty-six thousand, nine hundred eighty-seven".

Divisors: 1 263 20749 5456987