Search a number
-
+
260806043 = 4117935537
BaseRepresentation
bin11111000101110…
…01010110011011
3200011202022122002
433202321112123
51013231243133
641513551215
76314546321
oct1742712633
9604668562
10260806043
11124244493
127341550b
1342057104
14268cdd11
1517d6ace8
hexf8b959b

260806043 has 8 divisors (see below), whose sum is σ = 268667280. Its totient is φ = 253016320.

The previous prime is 260806037. The next prime is 260806067. The reversal of 260806043 is 340608062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260806043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260805997 and 260806015.

It is not an unprimeable number, because it can be changed into a prime (260806093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10430 + ... + 25107.

It is an arithmetic number, because the mean of its divisors is an integer number (33583410).

Almost surely, 2260806043 is an apocalyptic number.

260806043 is a deficient number, since it is larger than the sum of its proper divisors (7861237).

260806043 is a wasteful number, since it uses less digits than its factorization.

260806043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35757.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 260806043 is about 16149.4904873188. The cubic root of 260806043 is about 638.9093101049.

It can be divided in two parts, 26080 and 6043, that added together give a palindrome (32123).

The spelling of 260806043 in words is "two hundred sixty million, eight hundred six thousand, forty-three".

Divisors: 1 41 179 7339 35537 1457017 6361123 260806043