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1352380249 = 11122943659
BaseRepresentation
bin101000010011011…
…1010111101011001
310111020202000221101
41100212322331121
510232202131444
6342110111401
745341020363
oct12046727531
93436660841
101352380249
11634424330
12318aab561
131872478cc
14cb877d33
157dada3d4
hex509baf59

1352380249 has 4 divisors (see below), whose sum is σ = 1475323920. Its totient is φ = 1229436580.

The previous prime is 1352380217. The next prime is 1352380273. The reversal of 1352380249 is 9420832531.

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 1352380249 - 25 = 1352380217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352380349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61471819 + ... + 61471840.

It is an arithmetic number, because the mean of its divisors is an integer number (368830980).

Almost surely, 21352380249 is an apocalyptic number.

It is an amenable number.

1352380249 is a deficient number, since it is larger than the sum of its proper divisors (122943671).

1352380249 is a wasteful number, since it uses less digits than its factorization.

1352380249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122943670.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1352380249 is about 36774.7229629266. The cubic root of 1352380249 is about 1105.8586172739.

The spelling of 1352380249 in words is "one billion, three hundred fifty-two million, three hundred eighty thousand, two hundred forty-nine".

Divisors: 1 11 122943659 1352380249