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1252354253 = 11311082781
BaseRepresentation
bin100101010100101…
…0110100011001101
310020021112012001212
41022221112203031
510031100314003
6324134144205
743014556403
oct11251264315
93207465055
101252354253
11592a15317
122ab4b2065
1316c5c5327
14bc47b473
1574e2cdd8
hex4aa568cd

1252354253 has 4 divisors (see below), whose sum is σ = 1263437148. Its totient is φ = 1241271360.

The previous prime is 1252354223. The next prime is 1252354267. The reversal of 1252354253 is 3524532521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 467121769 + 785232484 = 21613^2 + 28022^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252354253 - 220 = 1251305677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252354223) 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, 5541278 + ... + 5541503.

It is an arithmetic number, because the mean of its divisors is an integer number (315859287).

Almost surely, 21252354253 is an apocalyptic number.

It is an amenable number.

1252354253 is a deficient number, since it is larger than the sum of its proper divisors (11082895).

1252354253 is a wasteful number, since it uses less digits than its factorization.

1252354253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082894.

The product of its digits is 36000, while the sum is 32.

The square root of 1252354253 is about 35388.6175627136. The cubic root of 1252354253 is about 1077.8931988028.

Adding to 1252354253 its reverse (3524532521), we get a palindrome (4776886774).

The spelling of 1252354253 in words is "one billion, two hundred fifty-two million, three hundred fifty-four thousand, two hundred fifty-three".

Divisors: 1 113 11082781 1252354253