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20240525 = 521634967
BaseRepresentation
bin100110100110…
…1100010001101
31102002022210002
41031031202031
520140144100
62001454045
7334020164
oct115154215
942068702
1020240525
1110475008
126941325
134268a56
14298c3db
151b9c2d5
hex134d88d

20240525 has 12 divisors (see below), whose sum is σ = 25257312. Its totient is φ = 16089840.

The previous prime is 20240459. The next prime is 20240531. The reversal of 20240525 is 52504202.

It is not a de Polignac number, because 20240525 - 210 = 20239501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20240497 and 20240506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592 + ... + 6558.

It is an arithmetic number, because the mean of its divisors is an integer number (2104776).

Almost surely, 220240525 is an apocalyptic number.

20240525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240525 is a deficient number, since it is larger than the sum of its proper divisors (5016787).

20240525 is a wasteful number, since it uses less digits than its factorization.

20240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140 (or 5135 counting only the distinct ones).

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

The square root of 20240525 is about 4498.9470990444. The cubic root of 20240525 is about 272.5255706442.

Adding to 20240525 its reverse (52504202), we get a palindrome (72744727).

The spelling of 20240525 in words is "twenty million, two hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 25 163 815 4075 4967 24835 124175 809621 4048105 20240525