Search a number
-
+
3881107 = 31125197
BaseRepresentation
bin1110110011100010010011
321022011212201
432303202103
51443143412
6215104031
744663116
oct16634223
97264781
103881107
112210a2a
121372017
13a5b719
1473057d
15519e57
hex3b3893

3881107 has 4 divisors (see below), whose sum is σ = 4006336. Its totient is φ = 3755880.

The previous prime is 3881093. The next prime is 3881113. The reversal of 3881107 is 7011883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3881107 is a prime.

It is a Duffinian number.

3881107 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3881147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62568 + ... + 62629.

It is an arithmetic number, because the mean of its divisors is an integer number (1001584).

Almost surely, 23881107 is an apocalyptic number.

3881107 is a deficient number, since it is larger than the sum of its proper divisors (125229).

3881107 is a wasteful number, since it uses less digits than its factorization.

3881107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125228.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 3881107 is about 1970.0525373705. The cubic root of 3881107 is about 157.1515029088.

The spelling of 3881107 in words is "three million, eight hundred eighty-one thousand, one hundred seven".

Divisors: 1 31 125197 3881107