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554064868 = 22719788031
BaseRepresentation
bin100001000001100…
…101101111100100
31102121120102010001
4201001211233210
52113320033433
6130551311044
716505321320
oct4101455744
91377512101
10554064868
11264834155
1213567b484
138aa34746
145382a980
153399757d
hex21065be4

554064868 has 12 divisors (see below), whose sum is σ = 1108129792. Its totient is φ = 237456360.

The previous prime is 554064859. The next prime is 554064869. The reversal of 554064868 is 868460455.

554064868 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (554064869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9893988 + ... + 9894043.

Almost surely, 2554064868 is an apocalyptic number.

It is an amenable number.

554064868 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.

554064868 is a wasteful number, since it uses less digits than its factorization.

554064868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788042 (or 19788040 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The square root of 554064868 is about 23538.5825401616. The cubic root of 554064868 is about 821.3347624967.

The spelling of 554064868 in words is "five hundred fifty-four million, sixty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 19788031 39576062 79152124 138516217 277032434 554064868