Search a number
-
+
3430020 = 2235115197
BaseRepresentation
bin1101000101011010000100
320110021002210
431011122010
51334230040
6201303420
741104026
oct15053204
96407083
103430020
111a33030
121194b70
139312c9
14654016
1547b480
hex345684

3430020 has 48 divisors (see below), whose sum is σ = 10479168. Its totient is φ = 831360.

The previous prime is 3429989. The next prime is 3430027. The reversal of 3430020 is 200343.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3429978 and 3430005.

It is not an unprimeable number, because it can be changed into a prime (3430027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (218316).

Almost surely, 23430020 is an apocalyptic number.

3430020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3430020 is an abundant number, since it is smaller than the sum of its proper divisors (7049148).

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

3430020 is a wasteful number, since it uses less digits than its factorization.

3430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3430020 is about 1852.0313172298. The cubic root of 3430020 is about 150.8107214220.

Adding to 3430020 its reverse (200343), we get a palindrome (3630363).

The spelling of 3430020 in words is "three million, four hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 5197 10394 15591 20788 25985 31182 51970 57167 62364 77955 103940 114334 155910 171501 228668 285835 311820 343002 571670 686004 857505 1143340 1715010 3430020