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554155420 = 225713304481
BaseRepresentation
bin100001000001111…
…011110110011100
31102121202000022211
4201001323312130
52113330433140
6130553250204
716506146320
oct4101736634
91377660284
10554155420
11264896195
12135703964
138aa66a20
1453851980
15339b42ea
hex2107bd9c

554155420 has 48 divisors (see below), whose sum is σ = 1432283328. Its totient is φ = 175380480.

The previous prime is 554155379. The next prime is 554155429. The reversal of 554155420 is 24551455.

554155420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554155429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150421 + ... + 154060.

It is an arithmetic number, because the mean of its divisors is an integer number (29839236).

Almost surely, 2554155420 is an apocalyptic number.

It is an amenable number.

554155420 is an abundant number, since it is smaller than the sum of its proper divisors (878127908).

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

554155420 is a wasteful number, since it uses less digits than its factorization.

554155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304510 (or 304508 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 554155420 is about 23540.5059418866. The cubic root of 554155420 is about 821.3795042218.

The spelling of 554155420 in words is "five hundred fifty-four million, one hundred fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 304481 608962 1217924 1522405 2131367 3044810 3958253 4262734 6089620 7916506 8525468 10656835 15833012 19791265 21313670 27707771 39582530 42627340 55415542 79165060 110831084 138538855 277077710 554155420