Search a number
-
+
3880775 = 52155231
BaseRepresentation
bin1110110011011101000111
321022011102102
432303131013
51443141100
6215102315
744662133
oct16633507
97264372
103880775
112210758
12137199b
13a5b522
147303c3
15519cd5
hex3b3747

3880775 has 6 divisors (see below), whose sum is σ = 4812192. Its totient is φ = 3104600.

The previous prime is 3880771. The next prime is 3880781. The reversal of 3880775 is 5770883.

It is not a de Polignac number, because 3880775 - 22 = 3880771 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77591 + ... + 77640.

It is an arithmetic number, because the mean of its divisors is an integer number (802032).

Almost surely, 23880775 is an apocalyptic number.

3880775 is a deficient number, since it is larger than the sum of its proper divisors (931417).

3880775 is a wasteful number, since it uses less digits than its factorization.

3880775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155241 (or 155236 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 3880775 is about 1969.9682738562. The cubic root of 3880775 is about 157.1470217314.

The spelling of 3880775 in words is "three million, eight hundred eighty thousand, seven hundred seventy-five".

Divisors: 1 5 25 155231 776155 3880775