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2538505 = 54311807
BaseRepresentation
bin1001101011110000001001
311202222011201
421223300021
51122213010
6130224201
730401614
oct11536011
94688151
102538505
111484242
12a25061
136ab598
144a117b
1535223a
hex26bc09

2538505 has 8 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 1983408.

The previous prime is 2538499. The next prime is 2538509. The reversal of 2538505 is 5058352.

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 2538505 - 27 = 2538377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5689 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (389664).

22538505 is an apocalyptic number.

It is an amenable number.

2538505 is a deficient number, since it is larger than the sum of its proper divisors (578807).

2538505 is a wasteful number, since it uses less digits than its factorization.

2538505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2538505 is about 1593.2686528015. The cubic root of 2538505 is about 136.4141248061.

The spelling of 2538505 in words is "two million, five hundred thirty-eight thousand, five hundred five".

Divisors: 1 5 43 215 11807 59035 507701 2538505