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552890881 = 1732522993
BaseRepresentation
bin100000111101000…
…111001000000001
31102112100202201001
4200331013020001
52113020002011
6130510212001
716462331524
oct4075071001
91375322631
10552890881
11264102114
121351b4001
138a71328a
1453602bbb
15338147c1
hex20f47201

552890881 has 4 divisors (see below), whose sum is σ = 585413892. Its totient is φ = 520367872.

The previous prime is 552890869. The next prime is 552890903. The reversal of 552890881 is 188098255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 335475856 + 217415025 = 18316^2 + 14745^2 .

It is a cyclic number.

It is not a de Polignac number, because 552890881 - 215 = 552858113 is a prime.

It is a super-2 number, since 2×5528908812 = 611376652585912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552890801) 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, 16261480 + ... + 16261513.

It is an arithmetic number, because the mean of its divisors is an integer number (146353473).

Almost surely, 2552890881 is an apocalyptic number.

It is an amenable number.

552890881 is a deficient number, since it is larger than the sum of its proper divisors (32523011).

552890881 is a wasteful number, since it uses less digits than its factorization.

552890881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32523010.

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 552890881 is about 23513.6318122063. The cubic root of 552890881 is about 820.7542539556.

The spelling of 552890881 in words is "five hundred fifty-two million, eight hundred ninety thousand, eight hundred eighty-one".

Divisors: 1 17 32522993 552890881