Search a number
-
+
54440319 = 340214513
BaseRepresentation
bin1100111110101…
…1000101111111
310210102212002010
43033223011333
5102414042234
65222502303
71230510063
oct317530577
9123385063
1054440319
11288038aa
1216294993
13b38150b
147331aa3
154ba56e9
hex33eb17f

54440319 has 8 divisors (see below), whose sum is σ = 72621232. Its totient is φ = 36276480.

The previous prime is 54440317. The next prime is 54440327. The reversal of 54440319 is 91304445.

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

It is not a de Polignac number, because 54440319 - 21 = 54440317 is a prime.

It is a super-2 number, since 2×544403192 = 5927496665643522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440317) 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, 9807 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (9077654).

Almost surely, 254440319 is an apocalyptic number.

54440319 is a deficient number, since it is larger than the sum of its proper divisors (18180913).

54440319 is a wasteful number, since it uses less digits than its factorization.

54440319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 54440319 is about 7378.3683155560. The cubic root of 54440319 is about 379.0008818260. Note that the first 3 decimals are identical.

The spelling of 54440319 in words is "fifty-four million, four hundred forty thousand, three hundred nineteen".

Divisors: 1 3 4021 4513 12063 13539 18146773 54440319