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552872081 = 10122324547
BaseRepresentation
bin100000111101000…
…010100010010001
31102112022210220202
4200331002202101
52113013401311
6130505544545
716462222646
oct4075024221
91375283822
10552872081
11264099a83
121351a5155
138a707858
14535d9dcd
153380de3b
hex20f42891

552872081 has 8 divisors (see below), whose sum is σ = 560872704. Its totient is φ = 544921200.

The previous prime is 552872077. The next prime is 552872123. The reversal of 552872081 is 180278255.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 552872081 - 22 = 552872077 is a prime.

It is a super-2 number, since 2×5528720812 = 611335075898541122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552877081) 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 7 ways as a sum of consecutive naturals, for example, 10250 + ... + 34796.

It is an arithmetic number, because the mean of its divisors is an integer number (70109088).

Almost surely, 2552872081 is an apocalyptic number.

It is an amenable number.

552872081 is a deficient number, since it is larger than the sum of its proper divisors (8000623).

552872081 is a wasteful number, since it uses less digits than its factorization.

552872081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24871.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 552872081 is about 23513.2320407042. The cubic root of 552872081 is about 820.7449511225.

The spelling of 552872081 in words is "five hundred fifty-two million, eight hundred seventy-two thousand, eighty-one".

Divisors: 1 101 223 22523 24547 2479247 5473981 552872081