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38025965 = 57605193
BaseRepresentation
bin1001000100001…
…1101011101101
32122112220211002
42101003223231
534213312330
63435010045
7641133605
oct221035355
978486732
1038025965
111a51251a
1210899925
137b55193
14509bc05
153511e45
hex2443aed

38025965 has 4 divisors (see below), whose sum is σ = 45631164. Its totient is φ = 30420768.

The previous prime is 38025943. The next prime is 38026003. The reversal of 38025965 is 56952083.

38025965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56952083 = 154936767.

It can be written as a sum of positive squares in 2 ways, for example, as 6340324 + 31685641 = 2518^2 + 5629^2 .

It is a cyclic number.

It is not a de Polignac number, because 38025965 - 28 = 38025709 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 3802592 + ... + 3802601.

It is an arithmetic number, because the mean of its divisors is an integer number (11407791).

Almost surely, 238025965 is an apocalyptic number.

It is an amenable number.

38025965 is a deficient number, since it is larger than the sum of its proper divisors (7605199).

38025965 is an equidigital number, since it uses as much as digits as its factorization.

38025965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605198.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 38025965 is about 6166.5196829330. The cubic root of 38025965 is about 336.2740966595.

The spelling of 38025965 in words is "thirty-eight million, twenty-five thousand, nine hundred sixty-five".

Divisors: 1 5 7605193 38025965