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1375057 = 71107181
BaseRepresentation
bin101001111101101010001
32120212020001
411033231101
5323000212
645250001
714454625
oct5175521
92525201
101375057
1185a112
12563901
13391b58
1427b185
151c2657
hex14fb51

1375057 has 8 divisors (see below), whose sum is σ = 1415232. Its totient is φ = 1335600.

The previous prime is 1375051. The next prime is 1375063. The reversal of 1375057 is 7505731.

It is an interprime number because it is at equal distance from previous prime (1375051) and next prime (1375063).

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

It is a cyclic number.

It is not a de Polignac number, because 1375057 - 27 = 1374929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375051) 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, 7507 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

21375057 is an apocalyptic number.

It is an amenable number.

1375057 is a deficient number, since it is larger than the sum of its proper divisors (40175).

1375057 is a wasteful number, since it uses less digits than its factorization.

1375057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 1375057 is about 1172.6282445856. The cubic root of 1375057 is about 111.2005410753.

The spelling of 1375057 in words is "one million, three hundred seventy-five thousand, fifty-seven".

Divisors: 1 71 107 181 7597 12851 19367 1375057