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54473917 = 269920183
BaseRepresentation
bin1100111111001…
…1010010111101
310210111120011111
43033303102331
5102421131132
65223322021
71231010041
oct317632275
9123446144
1054473917
1128827073
12162b0311
13b3938b4
147340021
154bb0647
hex33f34bd

54473917 has 4 divisors (see below), whose sum is σ = 54496800. Its totient is φ = 54451036.

The previous prime is 54473911. The next prime is 54473957. The reversal of 54473917 is 71937445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54473917 - 211 = 54471869 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54473917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54473911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7393 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (13624200).

Almost surely, 254473917 is an apocalyptic number.

It is an amenable number.

54473917 is a deficient number, since it is larger than the sum of its proper divisors (22883).

54473917 is a wasteful number, since it uses less digits than its factorization.

54473917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882.

The product of its digits is 105840, while the sum is 40.

The square root of 54473917 is about 7380.6447550333. The cubic root of 54473917 is about 379.0788329550.

The spelling of 54473917 in words is "fifty-four million, four hundred seventy-three thousand, nine hundred seventeen".

Divisors: 1 2699 20183 54473917