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2505029 = 10392411
BaseRepresentation
bin1001100011100101000101
311201021020212
421203211011
51120130104
6125405205
730202202
oct11434505
94637225
102505029
11146107a
12a09805
13699287
14492ca9
1534736e
hex263945

2505029 has 4 divisors (see below), whose sum is σ = 2508480. Its totient is φ = 2501580.

The previous prime is 2505007. The next prime is 2505043. The reversal of 2505029 is 9205052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 2505029 - 212 = 2500933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2504995 and 2505013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505829) 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, 167 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (627120).

22505029 is an apocalyptic number.

It is an amenable number.

2505029 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2505029 is a wasteful number, since it uses less digits than its factorization.

2505029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2505029 is about 1582.7283405563. The cubic root of 2505029 is about 135.8118252503.

Adding to 2505029 its sum of digits (23), we get a palindrome (2505052).

The spelling of 2505029 in words is "two million, five hundred five thousand, twenty-nine".

Divisors: 1 1039 2411 2505029