Search a number
-
+
54426881 = 2918110369
BaseRepresentation
bin1100111110011…
…1110100000001
310210102011122102
43033213310001
5102413130011
65222320145
71230422645
oct317476401
9123364572
1054426881
11287a47a3
1216289055
13b378372
14732ac25
154ba173b
hex33e7d01

54426881 has 8 divisors (see below), whose sum is σ = 56620200. Its totient is φ = 52254720.

The previous prime is 54426871. The next prime is 54426907. The reversal of 54426881 is 18862445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2356225 + 52070656 = 1535^2 + 7216^2 .

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 54426881 - 222 = 50232577 is a prime.

It is a super-2 number, since 2×544268812 = 5924570750776322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54426871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 10433.

It is an arithmetic number, because the mean of its divisors is an integer number (7077525).

Almost surely, 254426881 is an apocalyptic number.

It is an amenable number.

54426881 is a deficient number, since it is larger than the sum of its proper divisors (2193319).

54426881 is a wasteful number, since it uses less digits than its factorization.

54426881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579.

The product of its digits is 61440, while the sum is 38.

The square root of 54426881 is about 7377.4576244124. The cubic root of 54426881 is about 378.9696951795.

The spelling of 54426881 in words is "fifty-four million, four hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 29 181 5249 10369 300701 1876789 54426881