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554191469 = 1342630113
BaseRepresentation
bin100001000010000…
…100101001101101
31102121210211202222
4201002010221231
52113333111334
6130554125125
716506356366
oct4102045155
91377724688
10554191469
11264910287
121357207a5
138aa7a260
1453860b6d
15339bed2e
hex21084a6d

554191469 has 4 divisors (see below), whose sum is σ = 596821596. Its totient is φ = 511561344.

The previous prime is 554191457. The next prime is 554191481. The reversal of 554191469 is 964191455.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (554191457) and next prime (554191481).

It can be written as a sum of positive squares in 2 ways, for example, as 103266244 + 450925225 = 10162^2 + 21235^2 .

It is a cyclic number.

It is not a de Polignac number, because 554191469 - 212 = 554187373 is a prime.

It is a super-2 number, since 2×5541914692 = 614256368624755922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554191489) 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, 21315044 + ... + 21315069.

It is an arithmetic number, because the mean of its divisors is an integer number (149205399).

Almost surely, 2554191469 is an apocalyptic number.

It is an amenable number.

554191469 is a deficient number, since it is larger than the sum of its proper divisors (42630127).

554191469 is a wasteful number, since it uses less digits than its factorization.

554191469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42630126.

The product of its digits is 194400, while the sum is 44.

The square root of 554191469 is about 23541.2716096646. The cubic root of 554191469 is about 821.3973146691.

The spelling of 554191469 in words is "five hundred fifty-four million, one hundred ninety-one thousand, four hundred sixty-nine".

Divisors: 1 13 42630113 554191469