Search a number
-
+
10554581 is a prime number
BaseRepresentation
bin101000010000…
…110011010101
3201212020011102
4220100303111
510200221311
61014115445
7155466242
oct50206325
921766142
1010554581
115a598a4
12364bb85
13225711b
14158a5c9
15dd743b
hexa10cd5

10554581 has 2 divisors, whose sum is σ = 10554582. Its totient is φ = 10554580.

The previous prime is 10554571. The next prime is 10554611. The reversal of 10554581 is 18545501.

10554581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 372100 = 3191^2 + 610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10554581 is a prime.

It is a super-2 number, since 2×105545812 = 222798360171122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10554541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277290 + 5277291.

It is an arithmetic number, because the mean of its divisors is an integer number (5277291).

Almost surely, 210554581 is an apocalyptic number.

It is an amenable number.

10554581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10554581 is an equidigital number, since it uses as much as digits as its factorization.

10554581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 10554581 is about 3248.7814638723. The cubic root of 10554581 is about 219.3547276879.

The spelling of 10554581 in words is "ten million, five hundred fifty-four thousand, five hundred eighty-one".