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1352243513 = 6720182739
BaseRepresentation
bin101000010011001…
…1001100100111001
310111020111002101002
41100212121210321
510232133243023
6342103134345
745336610625
oct12046314471
93436432332
101352243513
11634340625
12318a443b5
131871ca5ba
14cb840185
157daaeb28
hex50999939

1352243513 has 4 divisors (see below), whose sum is σ = 1372426320. Its totient is φ = 1332060708.

The previous prime is 1352243491. The next prime is 1352243561. The reversal of 1352243513 is 3153422531.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1352243513 - 212 = 1352239417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352243573) 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, 10091303 + ... + 10091436.

It is an arithmetic number, because the mean of its divisors is an integer number (343106580).

Almost surely, 21352243513 is an apocalyptic number.

It is an amenable number.

1352243513 is a deficient number, since it is larger than the sum of its proper divisors (20182807).

1352243513 is an equidigital number, since it uses as much as digits as its factorization.

1352243513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182806.

The product of its digits is 10800, while the sum is 29.

The square root of 1352243513 is about 36772.8638128716. The cubic root of 1352243513 is about 1105.8213457594.

The spelling of 1352243513 in words is "one billion, three hundred fifty-two million, two hundred forty-three thousand, five hundred thirteen".

Divisors: 1 67 20182739 1352243513