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54289442 = 227144721
BaseRepresentation
bin1100111100011…
…0010000100010
310210011012010002
43033012100202
5102344230232
65215340002
71226311154
oct317062042
9123135102
1054289442
1128710509
1216221602
13b32a93c
1472d2ad4
154b75b62
hex33c6422

54289442 has 4 divisors (see below), whose sum is σ = 81434166. Its totient is φ = 27144720.

The previous prime is 54289439. The next prime is 54289493. The reversal of 54289442 is 24498245.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 14737921 = 6289^2 + 3839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54289396 and 54289405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572359 + ... + 13572362.

Almost surely, 254289442 is an apocalyptic number.

54289442 is a deficient number, since it is larger than the sum of its proper divisors (27144724).

54289442 is a wasteful number, since it uses less digits than its factorization.

54289442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27144723.

The product of its digits is 92160, while the sum is 38.

The square root of 54289442 is about 7368.1369422670. The cubic root of 54289442 is about 378.6504343135.

The spelling of 54289442 in words is "fifty-four million, two hundred eighty-nine thousand, four hundred forty-two".

Divisors: 1 2 27144721 54289442