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54727986 = 239121331
BaseRepresentation
bin1101000011000…
…1010100110010
310210222110200110
43100301110302
5103002243421
65233002150
71233115545
oct320612462
9123873613
1054727986
112898aa45
12163b3356
13b452431
1473a885c
154c10a76
hex3431532

54727986 has 8 divisors (see below), whose sum is σ = 109455984. Its totient is φ = 18242660.

The previous prime is 54727963. The next prime is 54727993. The reversal of 54727986 is 68972745.

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

54727986 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4560660 + ... + 4560671.

It is an arithmetic number, because the mean of its divisors is an integer number (13681998).

Almost surely, 254727986 is an apocalyptic number.

54727986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54727986 is a wasteful number, since it uses less digits than its factorization.

54727986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121336.

The product of its digits is 846720, while the sum is 48.

The square root of 54727986 is about 7397.8365756483. The cubic root of 54727986 is about 379.6672664487.

The spelling of 54727986 in words is "fifty-four million, seven hundred twenty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9121331 18242662 27363993 54727986