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107138 = 253569
BaseRepresentation
bin11010001010000010
312102222002
4122022002
511412023
62144002
7624233
oct321202
9172862
10107138
1173549
1252002
13399c5
142b08a
1521b28
hex1a282

107138 has 4 divisors (see below), whose sum is σ = 160710. Its totient is φ = 53568.

The previous prime is 107137. The next prime is 107171. The reversal of 107138 is 831701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831701 = 1363977.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 2809 = 323^2 + 53^2 .

It is a super-2 number, since 2×1071382 = 22957102088, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 107138.

It is not an unprimeable number, because it can be changed into a prime (107137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26783 + ... + 26786.

2107138 is an apocalyptic number.

107138 is a deficient number, since it is larger than the sum of its proper divisors (53572).

107138 is an equidigital number, since it uses as much as digits as its factorization.

107138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53571.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 107138 is about 327.3194158616. The cubic root of 107138 is about 47.4949948558.

Adding to 107138 its reverse (831701), we get a palindrome (938839).

The spelling of 107138 in words is "one hundred seven thousand, one hundred thirty-eight".

Divisors: 1 2 53569 107138