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1379313 = 321311789
BaseRepresentation
bin101010000101111110001
32121002001200
411100233301
5323114223
645321413
714503215
oct5205761
92532050
101379313
11862331
12566269
13393a80
1427c945
151c3a43
hex150bf1

1379313 has 12 divisors (see below), whose sum is σ = 2145780. Its totient is φ = 848736.

The previous prime is 1379291. The next prime is 1379321. The reversal of 1379313 is 3139731.

It can be written as a sum of positive squares in 2 ways, for example, as 106929 + 1272384 = 327^2 + 1128^2 .

It is not a de Polignac number, because 1379313 - 29 = 1378801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5778 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (178815).

21379313 is an apocalyptic number.

1379313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1379313 is a deficient number, since it is larger than the sum of its proper divisors (766467).

1379313 is a wasteful number, since it uses less digits than its factorization.

1379313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808 (or 11805 counting only the distinct ones).

The product of its digits is 1701, while the sum is 27.

The square root of 1379313 is about 1174.4415694278. The cubic root of 1379313 is about 111.3151501573.

The spelling of 1379313 in words is "one million, three hundred seventy-nine thousand, three hundred thirteen".

Divisors: 1 3 9 13 39 117 11789 35367 106101 153257 459771 1379313