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1379139 = 34310691
BaseRepresentation
bin101010000101101000011
32121001211020
411100231003
5323113024
645320523
714502546
oct5205503
92531736
101379139
11862193
12566143
13393978
1427c85d
151c3979
hex150b43

1379139 has 8 divisors (see below), whose sum is σ = 1881792. Its totient is φ = 897960.

The previous prime is 1379137. The next prime is 1379141. The reversal of 1379139 is 9319731.

It is an interprime number because it is at equal distance from previous prime (1379137) and next prime (1379141).

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

It is not a de Polignac number, because 1379139 - 21 = 1379137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379137) 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, 5217 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (235224).

21379139 is an apocalyptic number.

1379139 is a deficient number, since it is larger than the sum of its proper divisors (502653).

1379139 is a wasteful number, since it uses less digits than its factorization.

1379139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737.

The product of its digits is 5103, while the sum is 33.

The square root of 1379139 is about 1174.3674893320. The cubic root of 1379139 is about 111.3104691674.

The spelling of 1379139 in words is "one million, three hundred seventy-nine thousand, one hundred thirty-nine".

Divisors: 1 3 43 129 10691 32073 459713 1379139