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1325342879 = 7672825891
BaseRepresentation
bin100111011111111…
…0010000010011111
310102100212101122022
41032333302002133
510203241433004
6335302410355
744562141260
oct11677620237
93370771568
101325342879
116201377a3
1230ba309bb
1318176c273
14c803a967
157b5492be
hex4eff209f

1325342879 has 8 divisors (see below), whose sum is σ = 1537285248. Its totient is φ = 1119052440.

The previous prime is 1325342819. The next prime is 1325342903. The reversal of 1325342879 is 9782435231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1325342879 - 220 = 1324294303 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 (1325342819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412477 + ... + 1413414.

It is an arithmetic number, because the mean of its divisors is an integer number (192160656).

Almost surely, 21325342879 is an apocalyptic number.

1325342879 is a deficient number, since it is larger than the sum of its proper divisors (211942369).

1325342879 is an equidigital number, since it uses as much as digits as its factorization.

1325342879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825965.

The product of its digits is 362880, while the sum is 44.

The square root of 1325342879 is about 36405.2589470258. The cubic root of 1325342879 is about 1098.4393513060.

The spelling of 1325342879 in words is "one billion, three hundred twenty-five million, three hundred forty-two thousand, eight hundred seventy-nine".

Divisors: 1 7 67 469 2825891 19781237 189334697 1325342879