Search a number
-
+
4225169 = 132231087
BaseRepresentation
bin10000000111100010010001
321221122211202
4100013202101
52040201134
6230320545
750625164
oct20074221
97848752
104225169
112426483
1214b9155
13b4c200
147bdadb
15586d7e
hex407891

4225169 has 12 divisors (see below), whose sum is σ = 4778496. Its totient is φ = 3727152.

The previous prime is 4225147. The next prime is 4225171. The reversal of 4225169 is 9615224.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-4225169 is a prime.

It is a super-2 number, since 2×42251692 = 35704106157122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4225189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3344 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (398208).

Almost surely, 24225169 is an apocalyptic number.

It is an amenable number.

4225169 is a deficient number, since it is larger than the sum of its proper divisors (553327).

4225169 is a wasteful number, since it uses less digits than its factorization.

4225169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1123 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 4225169 is about 2055.5215883079. The cubic root of 4225169 is about 161.6645117272.

It can be divided in two parts, 4225 and 169, that multiplied together give a square (714025 = 8452).

The spelling of 4225169 in words is "four million, two hundred twenty-five thousand, one hundred sixty-nine".

Divisors: 1 13 23 169 299 1087 3887 14131 25001 183703 325013 4225169