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554114431 = 13307138841
BaseRepresentation
bin100001000001110…
…001110101111111
31102121122221002201
4201001301311333
52113323130211
6130552332331
716505615653
oct4101616577
91377587081
10554114431
11264868412
121356a40a7
138aa51180
1453840a63
15339a70c1
hex21071d7f

554114431 has 8 divisors (see below), whose sum is σ = 598686704. Its totient is φ = 509820480.

The previous prime is 554114389. The next prime is 554114441. The reversal of 554114431 is 134411455.

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

It is not a de Polignac number, because 554114431 - 219 = 553590143 is a prime.

It is a super-2 number, since 2×5541144312 = 614085605284907522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554114431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554114441) 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, 65430 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (74835838).

Almost surely, 2554114431 is an apocalyptic number.

554114431 is a deficient number, since it is larger than the sum of its proper divisors (44572273).

554114431 is a wasteful number, since it uses less digits than its factorization.

554114431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139161.

The product of its digits is 4800, while the sum is 28.

The square root of 554114431 is about 23539.6353200299. The cubic root of 554114431 is about 821.3592521689.

Adding to 554114431 its reverse (134411455), we get a palindrome (688525886).

The spelling of 554114431 in words is "five hundred fifty-four million, one hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 13 307 3991 138841 1804933 42624187 554114431