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549420911 = 13101418447
BaseRepresentation
bin100000101111110…
…111111101101111
31102021211110210122
4200233313331233
52111122432121
6130303555155
716421000144
oct4057677557
91367743718
10549420911
11262152076
12133bbbabb
1389a99a40
1452d7c3cb
153337b5ab
hex20bf7f6f

549420911 has 8 divisors (see below), whose sum is σ = 597543744. Its totient is φ = 502135200.

The previous prime is 549420887. The next prime is 549420917. The reversal of 549420911 is 119024945.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-549420911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549420917) 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, 207911 + ... + 210536.

It is an arithmetic number, because the mean of its divisors is an integer number (74692968).

Almost surely, 2549420911 is an apocalyptic number.

549420911 is a deficient number, since it is larger than the sum of its proper divisors (48122833).

549420911 is a wasteful number, since it uses less digits than its factorization.

549420911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418561.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 549420911 is about 23439.7293286420. The cubic root of 549420911 is about 819.0336181457.

The spelling of 549420911 in words is "five hundred forty-nine million, four hundred twenty thousand, nine hundred eleven".

Divisors: 1 13 101 1313 418447 5439811 42263147 549420911