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554139793 is a prime number
BaseRepresentation
bin100001000001111…
…000000010010001
31102121201012220001
4201001320002101
52113324433133
6130553050001
716506052624
oct4101700221
91377635801
10554139793
11264885479
121356b6901
138aa5c88c
1453849dbb
15339ae87d
hex21078091

554139793 has 2 divisors, whose sum is σ = 554139794. Its totient is φ = 554139792.

The previous prime is 554139779. The next prime is 554139797. The reversal of 554139793 is 397931455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459330624 + 94809169 = 21432^2 + 9737^2 .

It is a cyclic number.

It is not a de Polignac number, because 554139793 - 225 = 520585361 is a prime.

It is not a weakly prime, because it can be changed into another prime (554139797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277069896 + 277069897.

It is an arithmetic number, because the mean of its divisors is an integer number (277069897).

Almost surely, 2554139793 is an apocalyptic number.

It is an amenable number.

554139793 is a deficient number, since it is larger than the sum of its proper divisors (1).

554139793 is an equidigital number, since it uses as much as digits as its factorization.

554139793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 46.

The square root of 554139793 is about 23540.1740222964. The cubic root of 554139793 is about 821.3717832723.

The spelling of 554139793 in words is "five hundred fifty-four million, one hundred thirty-nine thousand, seven hundred ninety-three".