Search a number
-
+
1252020241 = 19922132843
BaseRepresentation
bin100101010100000…
…0101000000010001
310020020220012220001
41022220011000101
510031004121431
6324123050001
743011665533
oct11250050021
93206805801
101252020241
1159280737a
122ab370901
1316c5092a4
14bc3d1853
1574db3e61
hex4aa05011

1252020241 has 8 divisors (see below), whose sum is σ = 1259323200. Its totient is φ = 1244727792.

The previous prime is 1252020167. The next prime is 1252020251. The reversal of 1252020241 is 1420202521.

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 1252020241 - 229 = 715149329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252020251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438966 + ... + 441808.

It is an arithmetic number, because the mean of its divisors is an integer number (157415400).

Almost surely, 21252020241 is an apocalyptic number.

It is an amenable number.

1252020241 is a deficient number, since it is larger than the sum of its proper divisors (7302959).

1252020241 is a wasteful number, since it uses less digits than its factorization.

1252020241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1252020241 is about 35383.8980469931. The cubic root of 1252020241 is about 1077.7973629602.

Adding to 1252020241 its reverse (1420202521), we get a palindrome (2672222762).

It can be divided in two parts, 12520 and 20241, that added together give a square (32761 = 1812).

The spelling of 1252020241 in words is "one billion, two hundred fifty-two million, twenty thousand, two hundred forty-one".

Divisors: 1 199 2213 2843 440387 565757 6291559 1252020241