Search a number
-
+
3227145 = 35215143
BaseRepresentation
bin1100010011111000001001
320001221210220
430103320021
51311232040
6153100253
736300405
oct14237011
96057726
103227145
111904669
1210b7689
1388cb6c
14600105
1543b2d0
hex313e09

3227145 has 8 divisors (see below), whose sum is σ = 5163456. Its totient is φ = 1721136.

The previous prime is 3227143. The next prime is 3227171. The reversal of 3227145 is 5417223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3227145 - 21 = 3227143 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

3227145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3227141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107557 + ... + 107586.

It is an arithmetic number, because the mean of its divisors is an integer number (645432).

Almost surely, 23227145 is an apocalyptic number.

It is an amenable number.

3227145 is a deficient number, since it is larger than the sum of its proper divisors (1936311).

3227145 is a wasteful number, since it uses less digits than its factorization.

3227145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215151.

The product of its digits is 1680, while the sum is 24.

The square root of 3227145 is about 1796.4256177198. The cubic root of 3227145 is about 147.7767665754.

The spelling of 3227145 in words is "three million, two hundred twenty-seven thousand, one hundred forty-five".

Divisors: 1 3 5 15 215143 645429 1075715 3227145