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1552240241 = 3001517241
BaseRepresentation
bin101110010000101…
…0100111001110001
311000011210222022022
41130201110321301
511134333141431
6414005521225
753315552516
oct13441247161
94004728268
101552240241
11727221082
12373a13215
131b9783266
1410a22130d
159141807b
hex5c854e71

1552240241 has 4 divisors (see below), whose sum is σ = 1552760484. Its totient is φ = 1551720000.

The previous prime is 1552240229. The next prime is 1552240297. The reversal of 1552240241 is 1420422551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1420422551 = 2179651869.

It can be written as a sum of positive squares in 2 ways, for example, as 495730225 + 1056510016 = 22265^2 + 32504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552240241 - 214 = 1552223857 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 1552240241.

It is not an unprimeable number, because it can be changed into a prime (1552240211) 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, 255620 + ... + 261621.

It is an arithmetic number, because the mean of its divisors is an integer number (388190121).

Almost surely, 21552240241 is an apocalyptic number.

It is an amenable number.

1552240241 is a deficient number, since it is larger than the sum of its proper divisors (520243).

1552240241 is an equidigital number, since it uses as much as digits as its factorization.

1552240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520242.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1552240241 is about 39398.4801864234. The cubic root of 1552240241 is about 1157.8518112628.

Adding to 1552240241 its reverse (1420422551), we get a palindrome (2972662792).

The spelling of 1552240241 in words is "one billion, five hundred fifty-two million, two hundred forty thousand, two hundred forty-one".

Divisors: 1 3001 517241 1552240241