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1379425 = 52232399
BaseRepresentation
bin101010000110001100001
32121002012211
411100301201
5323120200
645322121
714503435
oct5206141
92532184
101379425
11862423
12566341
13393b38
1427c9c5
151c3aba
hex150c61

1379425 has 12 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 1055120.

The previous prime is 1379423. The next prime is 1379447. The reversal of 1379425 is 5249731.

It is not a de Polignac number, because 1379425 - 21 = 1379423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625 + ... + 1774.

It is an arithmetic number, because the mean of its divisors is an integer number (148800).

21379425 is an apocalyptic number.

It is an amenable number.

1379425 is a deficient number, since it is larger than the sum of its proper divisors (406175).

1379425 is a wasteful number, since it uses less digits than its factorization.

1379425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2427 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 1379425 is about 1174.4892506958. The cubic root of 1379425 is about 111.3181630000.

The spelling of 1379425 in words is "one million, three hundred seventy-nine thousand, four hundred twenty-five".

Divisors: 1 5 23 25 115 575 2399 11995 55177 59975 275885 1379425