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38825965 = 57765193
BaseRepresentation
bin1001010000011…
…0111111101101
32201001120012201
42110012333231
534414412330
63504101501
7651005143
oct224067755
981046181
1038825965
111aa09582
1211004891
138075359
145229593
15361deca
hex2506fed

38825965 has 4 divisors (see below), whose sum is σ = 46591164. Its totient is φ = 31060768.

The previous prime is 38825957. The next prime is 38825971. The reversal of 38825965 is 56952883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56952883 = 134380991.

It can be written as a sum of positive squares in 2 ways, for example, as 23561316 + 15264649 = 4854^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 38825965 - 23 = 38825957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882592 + ... + 3882601.

It is an arithmetic number, because the mean of its divisors is an integer number (11647791).

Almost surely, 238825965 is an apocalyptic number.

It is an amenable number.

38825965 is a deficient number, since it is larger than the sum of its proper divisors (7765199).

38825965 is an equidigital number, since it uses as much as digits as its factorization.

38825965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765198.

The product of its digits is 518400, while the sum is 46.

The square root of 38825965 is about 6231.0484671522. The cubic root of 38825965 is about 338.6159566427.

The spelling of 38825965 in words is "thirty-eight million, eight hundred twenty-five thousand, nine hundred sixty-five".

Divisors: 1 5 7765193 38825965