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54149843 = 1123214031
BaseRepresentation
bin1100111010010…
…0001011010011
310202220002121202
43032210023103
5102330243333
65212341415
71225160156
oct316441323
9122802552
1054149843
1128625640
121617486b
13b2ac237
147297c9d
154b495e8
hex33a42d3

54149843 has 8 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 47086600.

The previous prime is 54149801. The next prime is 54149861. The reversal of 54149843 is 34894145.

54149843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54149843 - 210 = 54148819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54149797 and 54149806.

It is not an unprimeable number, because it can be changed into a prime (54140843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106763 + ... + 107268.

It is an arithmetic number, because the mean of its divisors is an integer number (7705152).

Almost surely, 254149843 is an apocalyptic number.

54149843 is a deficient number, since it is larger than the sum of its proper divisors (7491373).

54149843 is a wasteful number, since it uses less digits than its factorization.

54149843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214065.

The product of its digits is 69120, while the sum is 38.

The square root of 54149843 is about 7358.6576900954. The cubic root of 54149843 is about 378.3256038493.

The spelling of 54149843 in words is "fifty-four million, one hundred forty-nine thousand, eight hundred forty-three".

Divisors: 1 11 23 253 214031 2354341 4922713 54149843