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54777442 = 243636947
BaseRepresentation
bin1101000011110…
…1011001100010
310211001222112011
43100331121202
5103010334232
65234023134
71233412666
oct320753142
9124058464
1054777442
1128a14115
1216417aaa
13b46bab5
1473bc8a6
154c20547
hex343d662

54777442 has 8 divisors (see below), whose sum is σ = 84077136. Its totient is φ = 26751732.

The previous prime is 54777439. The next prime is 54777449. The reversal of 54777442 is 24477745.

54777442 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 a junction number, because it is equal to n+sod(n) for n = 54777395 and 54777404.

It is not an unprimeable number, because it can be changed into a prime (54777449) 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 3 ways as a sum of consecutive naturals, for example, 318388 + ... + 318559.

It is an arithmetic number, because the mean of its divisors is an integer number (10509642).

Almost surely, 254777442 is an apocalyptic number.

54777442 is a deficient number, since it is larger than the sum of its proper divisors (29299694).

54777442 is a wasteful number, since it uses less digits than its factorization.

54777442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636992.

The product of its digits is 219520, while the sum is 40.

The square root of 54777442 is about 7401.1784196843. The cubic root of 54777442 is about 379.7815965659.

The spelling of 54777442 in words is "fifty-four million, seven hundred seventy-seven thousand, four hundred forty-two".

Divisors: 1 2 43 86 636947 1273894 27388721 54777442