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549020054 = 21129860533
BaseRepresentation
bin100000101110010…
…110000110010110
31102021002002221002
4200232112012112
52111022120204
6130251223302
716414410362
oct4056260626
91367062832
10549020054
112619a8990
12133a47b32
138998944b
1452cb62a2
15332ec91e
hex20b96196

549020054 has 16 divisors (see below), whose sum is σ = 929376720. Its totient is φ = 240948960.

The previous prime is 549020047. The next prime is 549020063. The reversal of 549020054 is 450020945.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 549019999 and 549020026.

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, 429629 + ... + 430904.

It is an arithmetic number, because the mean of its divisors is an integer number (58086045).

Almost surely, 2549020054 is an apocalyptic number.

549020054 is a deficient number, since it is larger than the sum of its proper divisors (380356666).

549020054 is a wasteful number, since it uses less digits than its factorization.

549020054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860575.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 549020054 is about 23431.1769657437. The cubic root of 549020054 is about 818.8343809543.

Adding to 549020054 its reverse (450020945), we get a palindrome (999040999).

The spelling of 549020054 in words is "five hundred forty-nine million, twenty thousand, fifty-four".

Divisors: 1 2 11 22 29 58 319 638 860533 1721066 9465863 18931726 24955457 49910914 274510027 549020054