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54287996 = 2271999743
BaseRepresentation
bin1100111100010…
…1111001111100
310210011010010112
43033011321330
5102344203441
65215325152
71226304020
oct317057174
9123133115
1054287996
112870a414
12162207b8
13b32a099
1472d2380
154b754eb
hex33c5e7c

54287996 has 24 divisors (see below), whose sum is σ = 109132800. Its totient is φ = 23146992.

The previous prime is 54287963. The next prime is 54287999. The reversal of 54287996 is 69978245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54287999) 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, 701 + ... + 10443.

It is an arithmetic number, because the mean of its divisors is an integer number (4547200).

Almost surely, 254287996 is an apocalyptic number.

It is an amenable number.

54287996 is an abundant number, since it is smaller than the sum of its proper divisors (54844804).

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

54287996 is a wasteful number, since it uses less digits than its factorization.

54287996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953 (or 9951 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 54287996 is about 7368.0388164016. The cubic root of 54287996 is about 378.6470724972.

The spelling of 54287996 in words is "fifty-four million, two hundred eighty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 199 398 796 1393 2786 5572 9743 19486 38972 68201 136402 272804 1938857 3877714 7755428 13571999 27143998 54287996