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552400313 = 679181343
BaseRepresentation
bin100000111011001…
…111010110111001
31102111102211202212
4200323033112321
52112403302223
6130451504505
716455216353
oct4073172671
91374384685
10552400313
112638a7593
12134bb8135
138a5a0bba
14535160d3
1533769278
hex20ecf5b9

552400313 has 4 divisors (see below), whose sum is σ = 552488448. Its totient is φ = 552312180.

The previous prime is 552400309. The next prime is 552400333. The reversal of 552400313 is 313004255.

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 552400313 - 22 = 552400309 is a prime.

It is a super-2 number, since 2×5524003132 = 610292211604995938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552400333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33881 + ... + 47462.

It is an arithmetic number, because the mean of its divisors is an integer number (138122112).

Almost surely, 2552400313 is an apocalyptic number.

It is an amenable number.

552400313 is a deficient number, since it is larger than the sum of its proper divisors (88135).

552400313 is an equidigital number, since it uses as much as digits as its factorization.

552400313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88134.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 552400313 is about 23503.1979313454. The cubic root of 552400313 is about 820.5114363529.

Adding to 552400313 its reverse (313004255), we get a palindrome (865404568).

The spelling of 552400313 in words is "five hundred fifty-two million, four hundred thousand, three hundred thirteen".

Divisors: 1 6791 81343 552400313