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54420636 = 22319376451
BaseRepresentation
bin1100111110011…
…0010010011100
310210101212002010
43033212102130
5102412430021
65222231220
71230365514
oct317462234
9123355063
1054420636
11287a0036
1216285510
13b37557a
147328844
154b9e976
hex33e649c

54420636 has 48 divisors (see below), whose sum is σ = 137298560. Its totient is φ = 16718400.

The previous prime is 54420581. The next prime is 54420649. The reversal of 54420636 is 63602445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 11661.

Almost surely, 254420636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54420636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68649280).

54420636 is an abundant number, since it is smaller than the sum of its proper divisors (82877924).

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

54420636 is a wasteful number, since it uses less digits than its factorization.

54420636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 54420636 is about 7377.0343634824. The cubic root of 54420636 is about 378.9552001590.

The spelling of 54420636 in words is "fifty-four million, four hundred twenty thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2812 4218 6451 8436 12902 19353 25804 38706 77412 122569 238687 245138 367707 477374 490276 716061 735414 954748 1432122 1470828 2864244 4535053 9070106 13605159 18140212 27210318 54420636