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2540107 = 15671621
BaseRepresentation
bin1001101100001001001011
311210001101001
421230021023
51122240412
6130235431
730406363
oct11541113
94701331
102540107
111485469
12a25b77
136ac22b
144a19a3
15352957
hex26c24b

2540107 has 4 divisors (see below), whose sum is σ = 2543296. Its totient is φ = 2536920.

The previous prime is 2540099. The next prime is 2540113. The reversal of 2540107 is 7010452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2540107 - 23 = 2540099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (635824).

22540107 is an apocalyptic number.

2540107 is a deficient number, since it is larger than the sum of its proper divisors (3189).

2540107 is a wasteful number, since it uses less digits than its factorization.

2540107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2540107 is about 1593.7713135830. The cubic root of 2540107 is about 136.4428148517.

Adding to 2540107 its reverse (7010452), we get a palindrome (9550559).

The spelling of 2540107 in words is "two million, five hundred forty thousand, one hundred seven".

Divisors: 1 1567 1621 2540107