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25424053 = 37368161
BaseRepresentation
bin110000011111…
…1000010110101
31202211200020121
41200333002311
523002032203
62304531541
7426046414
oct140770265
952750217
1025424053
1113395516
128620bb1
135362225
14353b47b
1523730bd
hex183f0b5

25424053 has 4 divisors (see below), whose sum is σ = 25492588. Its totient is φ = 25355520.

The previous prime is 25424029. The next prime is 25424057. The reversal of 25424053 is 35042452.

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 17623204 + 7800849 = 4198^2 + 2793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25424053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25424057) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33708 + ... + 34453.

It is an arithmetic number, because the mean of its divisors is an integer number (6373147).

Almost surely, 225424053 is an apocalyptic number.

It is an amenable number.

25424053 is a deficient number, since it is larger than the sum of its proper divisors (68535).

25424053 is an equidigital number, since it uses as much as digits as its factorization.

25424053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68534.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25424053 is about 5042.2269881472. The cubic root of 25424053 is about 294.0457646993.

The spelling of 25424053 in words is "twenty-five million, four hundred twenty-four thousand, fifty-three".

Divisors: 1 373 68161 25424053