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554130405 = 32529616961
BaseRepresentation
bin100001000001110…
…101101111100101
31102121200202000100
4201001311233211
52113324133110
6130552534313
716506013353
oct4101655745
91377622010
10554130405
11264879414
121356b1399
138aa5851a
14538467d3
15339abbc0
hex21075be5

554130405 has 48 divisors (see below), whose sum is σ = 1010046960. Its totient is φ = 280627200.

The previous prime is 554130403. The next prime is 554130407. The reversal of 554130405 is 504031455.

554130405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (554130403) and next prime (554130407).

It can be written as a sum of positive squares in 8 ways, for example, as 24117921 + 530012484 = 4911^2 + 23022^2 .

It is not a de Polignac number, because 554130405 - 21 = 554130403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554130403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76125 + ... + 83085.

It is an arithmetic number, because the mean of its divisors is an integer number (21042645).

Almost surely, 2554130405 is an apocalyptic number.

It is an amenable number.

554130405 is a deficient number, since it is larger than the sum of its proper divisors (455916555).

554130405 is a wasteful number, since it uses less digits than its factorization.

554130405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 554130405 is about 23539.9746176584. The cubic root of 554130405 is about 821.3671448026.

The spelling of 554130405 in words is "five hundred fifty-four million, one hundred thirty thousand, four hundred five".

Divisors: 1 3 5 9 15 29 45 61 87 145 183 261 305 435 549 915 1305 1769 2745 5307 6961 8845 15921 20883 26535 34805 62649 79605 104415 201869 313245 424621 605607 1009345 1273863 1816821 2123105 3028035 3821589 6369315 9084105 12314009 19107945 36942027 61570045 110826081 184710135 554130405