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3780065 = 52113583
BaseRepresentation
bin1110011010110111100001
321010001021102
432122313201
51431430230
6213004145
744062412
oct16326741
97101242
103780065
112152023
121323655
13a24733
14705809
154ea045
hex39ade1

3780065 has 8 divisors (see below), whose sum is σ = 4558848. Its totient is φ = 3008880.

The previous prime is 3780061. The next prime is 3780067. The reversal of 3780065 is 5600873.

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

It is not a de Polignac number, because 3780065 - 22 = 3780061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780061) 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, 737 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (569856).

Almost surely, 23780065 is an apocalyptic number.

It is an amenable number.

3780065 is a deficient number, since it is larger than the sum of its proper divisors (778783).

3780065 is a wasteful number, since it uses less digits than its factorization.

3780065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3780065 is about 1944.2389256467. The cubic root of 3780065 is about 155.7757159396.

The spelling of 3780065 in words is "three million, seven hundred eighty thousand, sixty-five".

Divisors: 1 5 211 1055 3583 17915 756013 3780065