Search a number
-
+
5655845 = 51387013
BaseRepresentation
bin10101100100110100100101
3101122100100202
4111210310211
52421441340
6321120245
766034226
oct25446445
911570322
105655845
113213358
121a89085
131230470
14a7324d
1576ac15
hex564d25

5655845 has 8 divisors (see below), whose sum is σ = 7309176. Its totient is φ = 4176576.

The previous prime is 5655823. The next prime is 5655851. The reversal of 5655845 is 5485565.

It can be written as a sum of positive squares in 4 ways, for example, as 961 + 5654884 = 31^2 + 2378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5655845 - 28 = 5655589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5655799 and 5655808.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43442 + ... + 43571.

It is an arithmetic number, because the mean of its divisors is an integer number (913647).

Almost surely, 25655845 is an apocalyptic number.

It is an amenable number.

5655845 is a deficient number, since it is larger than the sum of its proper divisors (1653331).

5655845 is a wasteful number, since it uses less digits than its factorization.

5655845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031.

The product of its digits is 120000, while the sum is 38.

The square root of 5655845 is about 2378.2020519712. The cubic root of 5655845 is about 178.1691465422.

The spelling of 5655845 in words is "five million, six hundred fifty-five thousand, eight hundred forty-five".

Divisors: 1 5 13 65 87013 435065 1131169 5655845