Search a number
-
+
3423220 = 225171161
BaseRepresentation
bin1101000011101111110100
320102220202221
431003233310
51334020340
6201212124
741045143
oct15035764
96386687
103423220
111a28a09
121191044
1392b198
1465175a
1547944a
hex343bf4

3423220 has 12 divisors (see below), whose sum is σ = 7188804. Its totient is φ = 1369280.

The previous prime is 3423191. The next prime is 3423223. The reversal of 3423220 is 223243.

It can be written as a sum of positive squares in 2 ways, for example, as 620944 + 2802276 = 788^2 + 1674^2 .

It is a d-powerful number, because it can be written as 3 + 49 + 213 + 312 + 219 + 221 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 3423194 and 3423203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423223) 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 in 3 ways as a sum of consecutive naturals, for example, 85561 + ... + 85600.

It is an arithmetic number, because the mean of its divisors is an integer number (599067).

Almost surely, 23423220 is an apocalyptic number.

It is an amenable number.

3423220 is an abundant number, since it is smaller than the sum of its proper divisors (3765584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3423220 is a wasteful number, since it uses less digits than its factorization.

3423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171170 (or 171168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3423220 is about 1850.1945843613. The cubic root of 3423220 is about 150.7109949535.

Adding to 3423220 its reverse (223243), we get a palindrome (3646463).

The spelling of 3423220 in words is "three million, four hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 171161 342322 684644 855805 1711610 3423220