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552243401 = 1744931649
BaseRepresentation
bin100000111010101…
…001000011001001
31102111010212112022
4200322221003021
52112333242101
6130444254225
716453664033
oct4072510311
91374125468
10552243401
112637aa706
12134b41375
138a547658
14534b4c53
1533737a1b
hex20ea90c9

552243401 has 4 divisors (see below), whose sum is σ = 552292500. Its totient is φ = 552194304.

The previous prime is 552243383. The next prime is 552243403. The reversal of 552243401 is 104342255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104342255 = 520868451.

It can be written as a sum of positive squares in 2 ways, for example, as 526243600 + 25999801 = 22940^2 + 5099^2 .

It is a cyclic number.

It is not a de Polignac number, because 552243401 - 210 = 552242377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552243403) 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, 1625 + ... + 33273.

It is an arithmetic number, because the mean of its divisors is an integer number (138073125).

Almost surely, 2552243401 is an apocalyptic number.

It is an amenable number.

552243401 is a deficient number, since it is larger than the sum of its proper divisors (49099).

552243401 is a wasteful number, since it uses less digits than its factorization.

552243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49098.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 552243401 is about 23499.8595953252. The cubic root of 552243401 is about 820.4337389054.

Adding to 552243401 its reverse (104342255), we get a palindrome (656585656).

The spelling of 552243401 in words is "five hundred fifty-two million, two hundred forty-three thousand, four hundred one".

Divisors: 1 17449 31649 552243401