Search a number
-
+
3138106 = 21569053
BaseRepresentation
bin1011111110001000111010
312220102200011
423332020322
51300404411
6151132134
735446666
oct13761072
95812604
103138106
111853784
12107404a
1385b48a
145b98a6
1541ec21
hex2fe23a

3138106 has 4 divisors (see below), whose sum is σ = 4707162. Its totient is φ = 1569052.

The previous prime is 3138103. The next prime is 3138127. The reversal of 3138106 is 6018313.

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

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 58081 = 1755^2 + 241^2 .

It is not an unprimeable number, because it can be changed into a prime (3138103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784525 + ... + 784528.

Almost surely, 23138106 is an apocalyptic number.

3138106 is a deficient number, since it is larger than the sum of its proper divisors (1569056).

3138106 is a wasteful number, since it uses less digits than its factorization.

3138106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569055.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3138106 is about 1771.4700110360. The cubic root of 3138106 is about 146.4049867910.

The spelling of 3138106 in words is "three million, one hundred thirty-eight thousand, one hundred six".

Divisors: 1 2 1569053 3138106