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54106778 = 21119312743
BaseRepresentation
bin1100111001100…
…1101010011010
310202210220112202
43032121222122
5102322404103
65211410202
71224620465
oct316315232
9122726482
1054106778
11285a6250
1216153962
13b29575b
1472862dc
154b3b988
hex3399a9a

54106778 has 16 divisors (see below), whose sum is σ = 89004096. Its totient is φ = 24464640.

The previous prime is 54106777. The next prime is 54106783. The reversal of 54106778 is 87760145.

It is a super-3 number, since 3×541067783 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54106777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (5562756).

Almost surely, 254106778 is an apocalyptic number.

54106778 is a deficient number, since it is larger than the sum of its proper divisors (34897318).

54106778 is a wasteful number, since it uses less digits than its factorization.

54106778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12949.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 54106778 is about 7355.7309629975. The cubic root of 54106778 is about 378.2252839945.

It can be divided in two parts, 541067 and 78, that added together give a palindrome (541145).

The spelling of 54106778 in words is "fifty-four million, one hundred six thousand, seven hundred seventy-eight".

Divisors: 1 2 11 22 193 386 2123 4246 12743 25486 140173 280346 2459399 4918798 27053389 54106778