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25424043 = 366112821
BaseRepresentation
bin110000011111…
…1000010101011
31202211200020020
41200333002223
523002032133
62304531523
7426046401
oct140770253
952750206
1025424043
1113395507
128620ba3
135362218
14353b471
1523730b3
hex183f0ab

25424043 has 8 divisors (see below), whose sum is σ = 33952656. Its totient is φ = 16922400.

The previous prime is 25424029. The next prime is 25424057. The reversal of 25424043 is 34042452.

It is an interprime number because it is at equal distance from previous prime (25424029) and next prime (25424057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-25424043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25424093) 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 7 ways as a sum of consecutive naturals, for example, 4428 + ... + 8393.

It is an arithmetic number, because the mean of its divisors is an integer number (4244082).

Almost surely, 225424043 is an apocalyptic number.

25424043 is a deficient number, since it is larger than the sum of its proper divisors (8528613).

25424043 is a wasteful number, since it uses less digits than its factorization.

25424043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13485.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 25424043 is about 5042.2259965218. The cubic root of 25424043 is about 294.0457261471.

Adding to 25424043 its reverse (34042452), we get a palindrome (59466495).

The spelling of 25424043 in words is "twenty-five million, four hundred twenty-four thousand, forty-three".

Divisors: 1 3 661 1983 12821 38463 8474681 25424043