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54440345 = 513018369
BaseRepresentation
bin1100111110101…
…1000110011001
310210102212010002
43033223012121
5102414042340
65222502345
71230510131
oct317530631
9123385102
1054440345
1128803923
12162949b5
13b38152b
147331ac1
154ba5715
hex33eb199

54440345 has 8 divisors (see below), whose sum is σ = 65386440. Its totient is φ = 43513600.

The previous prime is 54440327. The next prime is 54440369. The reversal of 54440345 is 54304445.

It can be written as a sum of positive squares in 4 ways, for example, as 226576 + 54213769 = 476^2 + 7363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54440345 - 220 = 53391769 is a prime.

It is a Curzon number.

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, 2321 + ... + 10689.

It is an arithmetic number, because the mean of its divisors is an integer number (8173305).

Almost surely, 254440345 is an apocalyptic number.

It is an amenable number.

54440345 is a deficient number, since it is larger than the sum of its proper divisors (10946095).

54440345 is a wasteful number, since it uses less digits than its factorization.

54440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 54440345 is about 7378.3700774629. The cubic root of 54440345 is about 379.0009421613. Note that the first 3 decimals are identical.

The spelling of 54440345 in words is "fifty-four million, four hundred forty thousand, three hundred forty-five".

Divisors: 1 5 1301 6505 8369 41845 10888069 54440345