Search a number
-
+
54265820 = 2257387613
BaseRepresentation
bin1100111100000…
…0011111011100
310210002222201012
43033000133130
5102343001240
65215034352
71226152250
oct317003734
9123088635
1054265820
11286a4794
121620b9b8
13b31cc6b
1472c8260
154b6db65
hex33c07dc

54265820 has 24 divisors (see below), whose sum is σ = 130238304. Its totient is φ = 18605376.

The previous prime is 54265801. The next prime is 54265823. The reversal of 54265820 is 2856245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54265823) 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, 193667 + ... + 193946.

It is an arithmetic number, because the mean of its divisors is an integer number (5426596).

Almost surely, 254265820 is an apocalyptic number.

It is an amenable number.

54265820 is an abundant number, since it is smaller than the sum of its proper divisors (75972484).

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

54265820 is a wasteful number, since it uses less digits than its factorization.

54265820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387629 (or 387627 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 54265820 is about 7366.5337846235. The cubic root of 54265820 is about 378.5955078684.

The spelling of 54265820 in words is "fifty-four million, two hundred sixty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 387613 775226 1550452 1938065 2713291 3876130 5426582 7752260 10853164 13566455 27132910 54265820