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54095249 = 134161173
BaseRepresentation
bin1100111001011…
…0110110010001
310202210022201202
43032112312101
5102322021444
65211240545
71224542045
oct316266621
9122708652
1054095249
112859861a
1216149155
13b290430
147282025
154b3834e
hex3396d91

54095249 has 4 divisors (see below), whose sum is σ = 58256436. Its totient is φ = 49934064.

The previous prime is 54095243. The next prime is 54095257. The reversal of 54095249 is 94259045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94259045 = 518851809.

It can be written as a sum of positive squares in 2 ways, for example, as 30747025 + 23348224 = 5545^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 54095249 - 212 = 54091153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54095243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080574 + ... + 2080599.

It is an arithmetic number, because the mean of its divisors is an integer number (14564109).

Almost surely, 254095249 is an apocalyptic number.

It is an amenable number.

54095249 is a deficient number, since it is larger than the sum of its proper divisors (4161187).

54095249 is a wasteful number, since it uses less digits than its factorization.

54095249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161186.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 54095249 is about 7354.9472465817. The cubic root of 54095249 is about 378.1984181734.

The spelling of 54095249 in words is "fifty-four million, ninety-five thousand, two hundred forty-nine".

Divisors: 1 13 4161173 54095249