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25550038 = 291913901
BaseRepresentation
bin110000101110…
…1110011010110
31210002002001201
41201131303112
523020100123
62311343114
7430112623
oct141356326
953062051
1025550038
1113471138
128681a9a
1353a7687
14357134a
15239a5ad
hex185dcd6

25550038 has 8 divisors (see below), whose sum is σ = 38369520. Its totient is φ = 12760200.

The previous prime is 25550027. The next prime is 25550039. The reversal of 25550038 is 83005552.

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

It is a junction number, because it is equal to n+sod(n) for n = 25549988 and 25550015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25550039) 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, 5113 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (4796190).

Almost surely, 225550038 is an apocalyptic number.

25550038 is a deficient number, since it is larger than the sum of its proper divisors (12819482).

25550038 is a wasteful number, since it uses less digits than its factorization.

25550038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14822.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25550038 is about 5054.7045413159. The cubic root of 25550038 is about 294.5306642116.

The spelling of 25550038 in words is "twenty-five million, five hundred fifty thousand, thirty-eight".

Divisors: 1 2 919 1838 13901 27802 12775019 25550038