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54142454 = 227071227
BaseRepresentation
bin1100111010001…
…0010111110110
310202212201111002
43032202113312
5102330024304
65212243302
71225126502
oct316422766
9122781432
1054142454
1128620033
1216170532
13b2a8a72
147295302
154b4731e
hex33a25f6

54142454 has 4 divisors (see below), whose sum is σ = 81213684. Its totient is φ = 27071226.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142454 is 45424145.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535612 + ... + 13535615.

It is an arithmetic number, because the mean of its divisors is an integer number (20303421).

Almost surely, 254142454 is an apocalyptic number.

54142454 is a deficient number, since it is larger than the sum of its proper divisors (27071230).

54142454 is a wasteful number, since it uses less digits than its factorization.

54142454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27071229.

The product of its digits is 12800, while the sum is 29.

The square root of 54142454 is about 7358.1556112928. The cubic root of 54142454 is about 378.3083949656.

Adding to 54142454 its reverse (45424145), we get a palindrome (99566599).

The spelling of 54142454 in words is "fifty-four million, one hundred forty-two thousand, four hundred fifty-four".

Divisors: 1 2 27071227 54142454