Search a number
-
+
54405028 = 2223718329
BaseRepresentation
bin1100111110001…
…0011110100100
310210101001200001
43033202132210
5102411430103
65222031044
71230302146
oct317423644
9123331601
1054405028
112878a337
1216278484
13b36b432
147322c96
154b9a01d
hex33e27a4

54405028 has 24 divisors (see below), whose sum is σ = 100759680. Its totient is φ = 25650240.

The previous prime is 54405007. The next prime is 54405041. The reversal of 54405028 is 82050445.

It is a junction number, because it is equal to n+sod(n) for n = 54404987 and 54405005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (4198320).

Almost surely, 254405028 is an apocalyptic number.

It is an amenable number.

54405028 is a deficient number, since it is larger than the sum of its proper divisors (46354652).

54405028 is a wasteful number, since it uses less digits than its factorization.

54405028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427 (or 8425 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 54405028 is about 7375.9764099406. The cubic root of 54405028 is about 378.9189682027.

The spelling of 54405028 in words is "fifty-four million, four hundred five thousand, twenty-eight".

Divisors: 1 2 4 23 46 71 92 142 284 1633 3266 6532 8329 16658 33316 191567 383134 591359 766268 1182718 2365436 13601257 27202514 54405028