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971142 = 23179521
BaseRepresentation
bin11101101000110000110
31211100011020
43231012012
5222034032
632452010
711153214
oct3550606
91740136
10971142
116036a7
123aa006
13280053
141b3cb4
15142b2c
hexed186

971142 has 16 divisors (see below), whose sum is σ = 2056752. Its totient is φ = 304640.

The previous prime is 971141. The next prime is 971143. The reversal of 971142 is 241179.

971142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (971141) and next prime (971143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971141) 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, 4659 + ... + 4862.

It is an arithmetic number, because the mean of its divisors is an integer number (128547).

2971142 is an apocalyptic number.

971142 is an abundant number, since it is smaller than the sum of its proper divisors (1085610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971142 is a wasteful number, since it uses less digits than its factorization.

971142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543.

The product of its digits is 504, while the sum is 24.

The square root of 971142 is about 985.4653722988. The cubic root of 971142 is about 99.0286622448.

The spelling of 971142 in words is "nine hundred seventy-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 9521 19042 28563 57126 161857 323714 485571 971142