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1341328287 = 31334393033
BaseRepresentation
bin100111111110011…
…0000101110011111
310110110221112111110
41033330300232133
510221340001122
6341033153103
745145050045
oct11774605637
93413845443
101341328287
11629165882
1231525b793
13184b782a0
14ca1dc395
157cb5590c
hex4ff30b9f

1341328287 has 8 divisors (see below), whose sum is σ = 1926009904. Its totient is φ = 825432768.

The previous prime is 1341328279. The next prime is 1341328291. The reversal of 1341328287 is 7828231431.

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

It is not a de Polignac number, because 1341328287 - 23 = 1341328279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 34393033 = 1341328287 / (1 + 3 + 4 + 1 + 3 + 2 + 8 + 2 + 8 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341328267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17196478 + ... + 17196555.

It is an arithmetic number, because the mean of its divisors is an integer number (240751238).

Almost surely, 21341328287 is an apocalyptic number.

1341328287 is a deficient number, since it is larger than the sum of its proper divisors (584681617).

1341328287 is a wasteful number, since it uses less digits than its factorization.

1341328287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34393049.

The product of its digits is 64512, while the sum is 39.

The square root of 1341328287 is about 36624.1489593956. The cubic root of 1341328287 is about 1102.8379301507.

The spelling of 1341328287 in words is "one billion, three hundred forty-one million, three hundred twenty-eight thousand, two hundred eighty-seven".

Divisors: 1 3 13 39 34393033 103179099 447109429 1341328287