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1057115 = 51131871
BaseRepresentation
bin100000010000101011011
31222201002102
410002011123
5232311430
634354015
711661653
oct4020533
91881072
101057115
11662254
1242b90b
132b0217
141d7363
1515d345
hex10215b

1057115 has 8 divisors (see below), whose sum is σ = 1280448. Its totient is φ = 837760.

The previous prime is 1057093. The next prime is 1057117. The reversal of 1057115 is 5117501.

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

It is not a de Polignac number, because 1057115 - 26 = 1057051 is a prime.

It is a super-2 number, since 2×10571152 = 2234984246450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057117) 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, 371 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (160056).

21057115 is an apocalyptic number.

1057115 is a deficient number, since it is larger than the sum of its proper divisors (223333).

1057115 is a wasteful number, since it uses less digits than its factorization.

1057115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1057115 is about 1028.1609796136. The cubic root of 1057115 is about 101.8686955839.

The spelling of 1057115 in words is "one million, fifty-seven thousand, one hundred fifteen".

Divisors: 1 5 113 565 1871 9355 211423 1057115