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54980540 = 2252749027
BaseRepresentation
bin1101000110111…
…0111110111100
310211110022010022
43101232332330
5103033334130
65242231312
71235220056
oct321567674
9124408108
1054980540
112904276a
12164b5538
13b510384
1474328d6
154c607e5
hex346efbc

54980540 has 12 divisors (see below), whose sum is σ = 115459176. Its totient is φ = 21992208.

The previous prime is 54980537. The next prime is 54980561. The reversal of 54980540 is 4508945.

It is a self number, because there is not a number n which added to its sum of digits gives 54980540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374494 + ... + 1374533.

It is an arithmetic number, because the mean of its divisors is an integer number (9621598).

Almost surely, 254980540 is an apocalyptic number.

It is an amenable number.

54980540 is an abundant number, since it is smaller than the sum of its proper divisors (60478636).

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

54980540 is a wasteful number, since it uses less digits than its factorization.

54980540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749036 (or 2749034 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 54980540 is about 7414.8863780910. The cubic root of 54980540 is about 380.2503889945.

The spelling of 54980540 in words is "fifty-four million, nine hundred eighty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2749027 5498054 10996108 13745135 27490270 54980540