Search a number
-
+
54415000 = 235410883
BaseRepresentation
bin1100111110010…
…0111010011000
310210101120100101
43033210322120
5102412240000
65222145144
71230343213
oct317447230
9123346311
1054415000
1128796882
12162821b4
13b372b33
14732677a
154b9ce6a
hex33e4e98

54415000 has 40 divisors (see below), whose sum is σ = 127506060. Its totient is φ = 21764000.

The previous prime is 54414979. The next prime is 54415007. The reversal of 54415000 is 51445.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54415007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 442 + ... + 10441.

Almost surely, 254415000 is an apocalyptic number.

54415000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54415000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63753030).

54415000 is an abundant number, since it is smaller than the sum of its proper divisors (73091060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54415000 is a wasteful number, since it uses less digits than its factorization.

54415000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909 (or 10890 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54415000 is about 7376.6523572688. The cubic root of 54415000 is about 378.9421177121.

Adding to 54415000 its reverse (51445), we get a palindrome (54466445).

The spelling of 54415000 in words is "fifty-four million, four hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 10883 21766 43532 54415 87064 108830 217660 272075 435320 544150 1088300 1360375 2176600 2720750 5441500 6801875 10883000 13603750 27207500 54415000