[go: up one dir, main page]

Search a number
-
+
54844805 = 517645233
BaseRepresentation
bin1101000100110…
…1110110000101
310211012101221002
43101031312011
5103020013210
65235303045
71234113251
oct321156605
9124171832
1054844805
1128a5a794
121644aa85
13b493662
1473d9261
154c354a5
hex344dd85

54844805 has 8 divisors (see below), whose sum is σ = 69685272. Its totient is φ = 41294848.

The previous prime is 54844787. The next prime is 54844819. The reversal of 54844805 is 50844845.

It is a happy number.

54844805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22877089 + 31967716 = 4783^2 + 5654^2 .

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-54844805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322532 + ... + 322701.

It is an arithmetic number, because the mean of its divisors is an integer number (8710659).

Almost surely, 254844805 is an apocalyptic number.

It is an amenable number.

54844805 is a deficient number, since it is larger than the sum of its proper divisors (14840467).

54844805 is a wasteful number, since it uses less digits than its factorization.

54844805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645255.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 54844805 is about 7405.7278507923. The cubic root of 54844805 is about 379.9372126179.

The spelling of 54844805 in words is "fifty-four million, eight hundred forty-four thousand, eight hundred five".

Divisors: 1 5 17 85 645233 3226165 10968961 54844805