Search a number
-
+
3429780 = 223557163
BaseRepresentation
bin1101000101010110010100
320110020202220
431011112110
51334223110
6201302340
741103234
oct15052624
96406686
103429780
111a32932
1211949b0
13931173
14653cc4
1547b370
hex345594

3429780 has 24 divisors (see below), whose sum is σ = 9603552. Its totient is φ = 914592.

The previous prime is 3429779. The next prime is 3429781. The reversal of 3429780 is 879243.

It is an interprime number because it is at equal distance from previous prime (3429779) and next prime (3429781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429781) 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, 28522 + ... + 28641.

It is an arithmetic number, because the mean of its divisors is an integer number (400148).

Almost surely, 23429780 is an apocalyptic number.

3429780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3429780 is an abundant number, since it is smaller than the sum of its proper divisors (6173772).

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

3429780 is a wasteful number, since it uses less digits than its factorization.

3429780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57175 (or 57173 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3429780 is about 1851.9665223756. The cubic root of 3429780 is about 150.8072039093.

The spelling of 3429780 in words is "three million, four hundred twenty-nine thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 57163 114326 171489 228652 285815 342978 571630 685956 857445 1143260 1714890 3429780