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2500007 = 5942373
BaseRepresentation
bin1001100010010110100111
311201000100212
421202112213
51120000012
6125330035
730151436
oct11422647
94630325
102500007
111458324
12a0691b
13696bc3
1449111d
15345b22
hex2625a7

2500007 has 4 divisors (see below), whose sum is σ = 2542440. Its totient is φ = 2457576.

The previous prime is 2499997. The next prime is 2500009. The reversal of 2500007 is 7000052.

2500007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2500007 - 26 = 2499943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2499964 and 2500000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500009) 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, 21128 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (635610).

22500007 is an apocalyptic number.

2500007 is a deficient number, since it is larger than the sum of its proper divisors (42433).

2500007 is an equidigital number, since it uses as much as digits as its factorization.

2500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42432.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 2500007 is about 1581.1410436770. The cubic root of 2500007 is about 135.7210075024.

Adding to 2500007 its reverse (7000052), we get a palindrome (9500059).

The spelling of 2500007 in words is "two million, five hundred thousand, seven".

Divisors: 1 59 42373 2500007