Search a number
-
+
2420525 = 5296821
BaseRepresentation
bin1001001110111100101101
311112222100002
421032330231
51104424100
6123514045
726400632
oct11167455
94488302
102420525
111403638
12988925
13669983
14470189
1532c2d5
hex24ef2d

2420525 has 6 divisors (see below), whose sum is σ = 3001482. Its totient is φ = 1936400.

The previous prime is 2420519. The next prime is 2420531. The reversal of 2420525 is 5250242.

It is an interprime number because it is at equal distance from previous prime (2420519) and next prime (2420531).

It can be written as a sum of positive squares in 3 ways, for example, as 797449 + 1623076 = 893^2 + 1274^2 .

It is not a de Polignac number, because 2420525 - 28 = 2420269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2420497 and 2420506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48386 + ... + 48435.

It is an arithmetic number, because the mean of its divisors is an integer number (500247).

22420525 is an apocalyptic number.

2420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2420525 is a deficient number, since it is larger than the sum of its proper divisors (580957).

2420525 is an equidigital number, since it uses as much as digits as its factorization.

2420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96831 (or 96826 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2420525 is about 1555.8036508506. The cubic root of 2420525 is about 134.2671768910.

Adding to 2420525 its reverse (5250242), we get a palindrome (7670767).

The spelling of 2420525 in words is "two million, four hundred twenty thousand, five hundred twenty-five".

Divisors: 1 5 25 96821 484105 2420525