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54779028 = 22329157411
BaseRepresentation
bin1101000011110…
…1110010010100
310211002001200220
43100331302110
5103010412103
65234034340
71233420423
oct320756224
9124061626
1054779028
1128a15327
12164189b0
13b46c735
1473bd2ba
154c20c53
hex343dc94

54779028 has 24 divisors (see below), whose sum is σ = 132226080. Its totient is φ = 17629920.

The previous prime is 54779009. The next prime is 54779041. The reversal of 54779028 is 82097745.

54779028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 78358 + ... + 79053.

It is an arithmetic number, because the mean of its divisors is an integer number (5509420).

Almost surely, 254779028 is an apocalyptic number.

54779028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54779028 is an abundant number, since it is smaller than the sum of its proper divisors (77447052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54779028 is a wasteful number, since it uses less digits than its factorization.

54779028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157447 (or 157445 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 54779028 is about 7401.2855640085. The cubic root of 54779028 is about 379.7852618691.

The spelling of 54779028 in words is "fifty-four million, seven hundred seventy-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 157411 314822 472233 629644 944466 1888932 4564919 9129838 13694757 18259676 27389514 54779028