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2542507 = 111811277
BaseRepresentation
bin1001101100101110101011
311210011122221
421230232223
51122330012
6130254511
730416362
oct11545653
94704587
102542507
111487250
12a27437
136b0356
144a27d9
15353507
hex26cbab

2542507 has 8 divisors (see below), whose sum is σ = 2791152. Its totient is φ = 2296800.

The previous prime is 2542483. The next prime is 2542511. The reversal of 2542507 is 7052452.

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

It is a de Polignac number, because none of the positive numbers 2k-2542507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (348894).

22542507 is an apocalyptic number.

2542507 is a deficient number, since it is larger than the sum of its proper divisors (248645).

2542507 is a wasteful number, since it uses less digits than its factorization.

2542507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2542507 is about 1594.5240669240. The cubic root of 2542507 is about 136.4857736295.

Adding to 2542507 its reverse (7052452), we get a palindrome (9594959).

The spelling of 2542507 in words is "two million, five hundred forty-two thousand, five hundred seven".

Divisors: 1 11 181 1277 1991 14047 231137 2542507