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1379001 = 313191861
BaseRepresentation
bin101010000101010111001
32121001122010
411100222321
5323112001
645320133
714502261
oct5205271
92531563
101379001
11862078
12566049
133938a0
1427c7a1
151c38d6
hex150ab9

1379001 has 16 divisors (see below), whose sum is σ = 2085440. Its totient is φ = 803520.

The previous prime is 1378999. The next prime is 1379003. The reversal of 1379001 is 1009731.

It is an interprime number because it is at equal distance from previous prime (1378999) and next prime (1379003).

It is not a de Polignac number, because 1379001 - 21 = 1378999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1379003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (130340).

21379001 is an apocalyptic number.

It is an amenable number.

1379001 is a deficient number, since it is larger than the sum of its proper divisors (706439).

1379001 is a wasteful number, since it uses less digits than its factorization.

1379001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1379001 is about 1174.3087328297. The cubic root of 1379001 is about 111.3067563782.

The spelling of 1379001 in words is "one million, three hundred seventy-nine thousand, one".

Divisors: 1 3 13 19 39 57 247 741 1861 5583 24193 35359 72579 106077 459667 1379001