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2485621 = 17146213
BaseRepresentation
bin1001011110110101110101
311200021122001
421132311311
51114014441
6125135301
730061465
oct11366565
94607561
102485621
111448536
129ba531
136904a8
14489ba5
15341731
hex25ed75

2485621 has 4 divisors (see below), whose sum is σ = 2631852. Its totient is φ = 2339392.

The previous prime is 2485607. The next prime is 2485627. The reversal of 2485621 is 1265842.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 202500 = 1511^2 + 450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2485621 is a prime.

It is a super-3 number, since 3×24856213 = 46070824333104414183, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2485621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485627) 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, 73090 + ... + 73123.

It is an arithmetic number, because the mean of its divisors is an integer number (657963).

22485621 is an apocalyptic number.

It is an amenable number.

2485621 is a deficient number, since it is larger than the sum of its proper divisors (146231).

2485621 is a wasteful number, since it uses less digits than its factorization.

2485621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146230.

The product of its digits is 3840, while the sum is 28.

The square root of 2485621 is about 1576.5852339788. The cubic root of 2485621 is about 135.4601762936.

The spelling of 2485621 in words is "two million, four hundred eighty-five thousand, six hundred twenty-one".

Divisors: 1 17 146213 2485621