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3880765 = 57110879
BaseRepresentation
bin1110110011011100111101
321022011102001
432303130331
51443141030
6215102301
744662120
oct16633475
97264361
103880765
112210749
121371991
13a5b515
147303b7
15519cca
hex3b373d

3880765 has 8 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 2661072.

The previous prime is 3880763. The next prime is 3880771. The reversal of 3880765 is 5670883.

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

It is a cyclic number.

It is not a de Polignac number, because 3880765 - 21 = 3880763 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55405 + ... + 55474.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 23880765 is an apocalyptic number.

3880765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3880765 is a deficient number, since it is larger than the sum of its proper divisors (1441475).

3880765 is a wasteful number, since it uses less digits than its factorization.

3880765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110891.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 3880765 is about 1969.9657357426. The cubic root of 3880765 is about 157.1468867522.

The spelling of 3880765 in words is "three million, eight hundred eighty thousand, seven hundred sixty-five".

Divisors: 1 5 7 35 110879 554395 776153 3880765