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968138 = 21094441
BaseRepresentation
bin11101100010111001010
31211012000222
43230113022
5221440023
632430042
711141363
oct3542712
91735028
10968138
11601416
123a8322
1327b882
141b2b6a
15141cc8
hexec5ca

968138 has 8 divisors (see below), whose sum is σ = 1465860. Its totient is φ = 479520.

The previous prime is 968137. The next prime is 968141. The reversal of 968138 is 831869.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 1849 = 983^2 + 43^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 968098 and 968107.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 968138.

It is not an unprimeable number, because it can be changed into a prime (968137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 2438.

2968138 is an apocalyptic number.

968138 is a deficient number, since it is larger than the sum of its proper divisors (497722).

968138 is a wasteful number, since it uses less digits than its factorization.

968138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its digits is 10368, while the sum is 35.

The square root of 968138 is about 983.9400388235. The cubic root of 968138 is about 98.9264494685.

The spelling of 968138 in words is "nine hundred sixty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 109 218 4441 8882 484069 968138