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1957113 = 32217457
BaseRepresentation
bin111011101110011111001
310200102122200
413131303321
51000111423
6105540413
722430604
oct7356371
93612580
101957113
111117454
127a4709
13536a72
1438d33b
15289d43
hex1ddcf9

1957113 has 6 divisors (see below), whose sum is σ = 2826954. Its totient is φ = 1304736.

The previous prime is 1957099. The next prime is 1957117. The reversal of 1957113 is 3117591.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 451584 = 1227^2 + 672^2 .

It is not a de Polignac number, because 1957113 - 24 = 1957097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1957117) 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, 108720 + ... + 108737.

It is an arithmetic number, because the mean of its divisors is an integer number (471159).

21957113 is an apocalyptic number.

It is an amenable number.

1957113 is a deficient number, since it is larger than the sum of its proper divisors (869841).

1957113 is a wasteful number, since it uses less digits than its factorization.

1957113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217463 (or 217460 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1957113 is about 1398.9685486100. The cubic root of 1957113 is about 125.0850194937.

The spelling of 1957113 in words is "one million, nine hundred fifty-seven thousand, one hundred thirteen".

Divisors: 1 3 9 217457 652371 1957113