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1313283 = 3974513
BaseRepresentation
bin101000000101000000011
32110201111010
411000220003
5314011113
644052003
714106546
oct5005003
92421433
101313283
11817764
12534003
1336c9ba
1426285d
151ae1c3
hex140a03

1313283 has 8 divisors (see below), whose sum is σ = 1769488. Its totient is φ = 866304.

The previous prime is 1313239. The next prime is 1313293. The reversal of 1313283 is 3823131.

It is a happy number.

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

It is not a de Polignac number, because 1313283 - 26 = 1313219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313293) 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, 1966 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (221186).

21313283 is an apocalyptic number.

1313283 is a deficient number, since it is larger than the sum of its proper divisors (456205).

1313283 is an equidigital number, since it uses as much as digits as its factorization.

1313283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its digits is 432, while the sum is 21.

The square root of 1313283 is about 1145.9856020038. The cubic root of 1313283 is about 109.5097466356.

It can be divided in two parts, 1313 and 283, that added together give a triangular number (1596 = T56).

The spelling of 1313283 in words is "one million, three hundred thirteen thousand, two hundred eighty-three".

Divisors: 1 3 97 291 4513 13539 437761 1313283