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2505505 = 52321787
BaseRepresentation
bin1001100011101100100001
311201021220111
421203230201
51120134010
6125411321
730203452
oct11435441
94637814
102505505
111461472
12a09b41
13699562
14493129
1534758a
hex263b21

2505505 has 8 divisors (see below), whose sum is σ = 3137472. Its totient is φ = 1917168.

The previous prime is 2505499. The next prime is 2505527. The reversal of 2505505 is 5055052.

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

It is a cyclic number.

It is not a de Polignac number, because 2505505 - 215 = 2472737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10779 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (392184).

22505505 is an apocalyptic number.

It is an amenable number.

2505505 is a deficient number, since it is larger than the sum of its proper divisors (631967).

2505505 is a wasteful number, since it uses less digits than its factorization.

2505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21815.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 2505505 is about 1582.8787066607. The cubic root of 2505505 is about 135.8204269252.

The spelling of 2505505 in words is "two million, five hundred five thousand, five hundred five".

Divisors: 1 5 23 115 21787 108935 501101 2505505