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3880457 = 7279193
BaseRepresentation
bin1110110011011000001001
321022010222122
432303120021
51443133312
6215101025
744661200
oct16633011
97263878
103880457
112210499
121371775
13a5b339
14730237
15519b72
hex3b3609

3880457 has 6 divisors (see below), whose sum is σ = 4514058. Its totient is φ = 3326064.

The previous prime is 3880453. The next prime is 3880507. The reversal of 3880457 is 7540883.

3880457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3013696 + 866761 = 1736^2 + 931^2 .

It is not a de Polignac number, because 3880457 - 22 = 3880453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3880451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39548 + ... + 39645.

It is an arithmetic number, because the mean of its divisors is an integer number (752343).

Almost surely, 23880457 is an apocalyptic number.

It is an amenable number.

3880457 is a deficient number, since it is larger than the sum of its proper divisors (633601).

3880457 is an equidigital number, since it uses as much as digits as its factorization.

3880457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79207 (or 79200 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3880457 is about 1969.8875602430. The cubic root of 3880457 is about 157.1427292797.

The spelling of 3880457 in words is "three million, eight hundred eighty thousand, four hundred fifty-seven".

Divisors: 1 7 49 79193 554351 3880457