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554245001 = 3117878871
BaseRepresentation
bin100001000010010…
…001101110001001
31102121220120012122
4201002101232021
52113341320001
6130555221025
716510001432
oct4102215611
91377816178
10554245001
11264947522
12135747775
138aa9872b
1453876489
15339d0b1b
hex21091b89

554245001 has 4 divisors (see below), whose sum is σ = 572123904. Its totient is φ = 536366100.

The previous prime is 554244983. The next prime is 554245037. The reversal of 554245001 is 100542455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 554245001 - 26 = 554244937 is a prime.

It is a super-2 number, since 2×5542450012 = 614375042266980002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554245051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8939405 + ... + 8939466.

It is an arithmetic number, because the mean of its divisors is an integer number (143030976).

Almost surely, 2554245001 is an apocalyptic number.

It is an amenable number.

554245001 is a deficient number, since it is larger than the sum of its proper divisors (17878903).

554245001 is a wasteful number, since it uses less digits than its factorization.

554245001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17878902.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 554245001 is about 23542.4085641210. The cubic root of 554245001 is about 821.4237613804.

Adding to 554245001 its reverse (100542455), we get a palindrome (654787456).

The spelling of 554245001 in words is "five hundred fifty-four million, two hundred forty-five thousand, one".

Divisors: 1 31 17878871 554245001