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552205241 = 778886463
BaseRepresentation
bin100000111010011…
…111101110111001
31102111001221011222
4200322133232321
52112331031431
6130443401425
716453444550
oct4072375671
91374057158
10552205241
11263783a75
12134b23275
138a533183
14534a4d97
153372b57b
hex20e9fbb9

552205241 has 4 divisors (see below), whose sum is σ = 631091712. Its totient is φ = 473318772.

The previous prime is 552205219. The next prime is 552205243. The reversal of 552205241 is 142502255.

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 a de Polignac number, because none of the positive numbers 2k-552205241 is a prime.

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 552205241.

It is not an unprimeable number, because it can be changed into a prime (552205243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39443225 + ... + 39443238.

It is an arithmetic number, because the mean of its divisors is an integer number (157772928).

Almost surely, 2552205241 is an apocalyptic number.

It is an amenable number.

552205241 is a deficient number, since it is larger than the sum of its proper divisors (78886471).

552205241 is an equidigital number, since it uses as much as digits as its factorization.

552205241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78886470.

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

The square root of 552205241 is about 23499.0476615543. The cubic root of 552205241 is about 820.4148411557.

Adding to 552205241 its reverse (142502255), we get a palindrome (694707496).

The spelling of 552205241 in words is "five hundred fifty-two million, two hundred five thousand, two hundred forty-one".

Divisors: 1 7 78886463 552205241