Search a number
-
+
1252020302 = 21348154627
BaseRepresentation
bin100101010100000…
…0101000001001110
310020020220012222022
41022220011001032
510031004122202
6324123050142
743011665651
oct11250050116
93206805868
101252020302
11592807425
122ab370952
1316c509320
14bc3d1898
1574db3ea2
hex4aa0504e

1252020302 has 8 divisors (see below), whose sum is σ = 2022494376. Its totient is φ = 577855512.

The previous prime is 1252020269. The next prime is 1252020307. The reversal of 1252020302 is 2030202521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252020307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24077288 + ... + 24077339.

It is an arithmetic number, because the mean of its divisors is an integer number (252811797).

Almost surely, 21252020302 is an apocalyptic number.

1252020302 is a deficient number, since it is larger than the sum of its proper divisors (770474074).

1252020302 is a wasteful number, since it uses less digits than its factorization.

1252020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48154642.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1252020302 is about 35383.8989089671. The cubic root of 1252020302 is about 1077.7973804640.

Adding to 1252020302 its reverse (2030202521), we get a palindrome (3282222823).

The spelling of 1252020302 in words is "one billion, two hundred fifty-two million, twenty thousand, three hundred two".

Divisors: 1 2 13 26 48154627 96309254 626010151 1252020302