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1252252033 = 2543492431
BaseRepresentation
bin100101010100011…
…1101100110000001
310020021022222211221
41022220331212001
510031034031113
6324132035041
743013652364
oct11250754601
93207288757
101252252033
1159295553a
122ab462a81
1316c58a946
14bc4520db
1574e0c98d
hex4aa3d981

1252252033 has 4 divisors (see below), whose sum is σ = 1252747008. Its totient is φ = 1251757060.

The previous prime is 1252252009. The next prime is 1252252051. The reversal of 1252252033 is 3302522521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3302522521 = 20991573379.

It is a cyclic number.

It is not a de Polignac number, because 1252252033 - 213 = 1252243841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252251989 and 1252252007.

It is not an unprimeable number, because it can be changed into a prime (1252252093) 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, 243673 + ... + 248758.

It is an arithmetic number, because the mean of its divisors is an integer number (313186752).

Almost surely, 21252252033 is an apocalyptic number.

It is an amenable number.

1252252033 is a deficient number, since it is larger than the sum of its proper divisors (494975).

1252252033 is an equidigital number, since it uses as much as digits as its factorization.

1252252033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494974.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1252252033 is about 35387.1732835501. The cubic root of 1252252033 is about 1077.8638713074.

Adding to 1252252033 its reverse (3302522521), we get a palindrome (4554774554).

The spelling of 1252252033 in words is "one billion, two hundred fifty-two million, two hundred fifty-two thousand, thirty-three".

Divisors: 1 2543 492431 1252252033