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3889105 = 511312281
BaseRepresentation
bin1110110101011111010001
321022120211221
432311133101
51443422410
6215205041
745025333
oct16653721
97276757
103889105
112216a40
121376781
13a6225c
14733453
1551c4da
hex3b57d1

3889105 has 16 divisors (see below), whose sum is σ = 5257728. Its totient is φ = 2736000.

The previous prime is 3889079. The next prime is 3889157. The reversal of 3889105 is 5019883.

3889105 = T142 + T143 + ... + T296.

It is not a de Polignac number, because 3889105 - 29 = 3888593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (328608).

Almost surely, 23889105 is an apocalyptic number.

It is an amenable number.

3889105 is a deficient number, since it is larger than the sum of its proper divisors (1368623).

3889105 is a wasteful number, since it uses less digits than its factorization.

3889105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 3889105 is about 1972.0813877728. The cubic root of 3889105 is about 157.2593789454.

The spelling of 3889105 in words is "three million, eight hundred eighty-nine thousand, one hundred five".

Divisors: 1 5 11 31 55 155 341 1705 2281 11405 25091 70711 125455 353555 777821 3889105