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971057 = 172392
BaseRepresentation
bin11101101000100110001
31211100001002
43231010301
5222033212
632451345
711153033
oct3550461
91740032
10971057
1160362a
123a9b55
1327ccb9
141b3c53
15142ac2
hexed131

971057 has 6 divisors (see below), whose sum is σ = 1032498. Its totient is φ = 910112.

The previous prime is 971053. The next prime is 971063. The reversal of 971057 is 750179.

971057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 913936 + 57121 = 956^2 + 239^2 .

It is not a de Polignac number, because 971057 - 22 = 971053 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3944 + ... + 4182.

It is an arithmetic number, because the mean of its divisors is an integer number (172083).

2971057 is an apocalyptic number.

It is an amenable number.

971057 is a deficient number, since it is larger than the sum of its proper divisors (61441).

971057 is an equidigital number, since it uses as much as digits as its factorization.

971057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 971057 is about 985.4222445226. The cubic root of 971057 is about 99.0257729722.

The spelling of 971057 in words is "nine hundred seventy-one thousand, fifty-seven".

Divisors: 1 17 239 4063 57121 971057