Search a number
-
+
3472889 = 7496127
BaseRepresentation
bin1101001111110111111001
320112102220112
431033313321
51342113024
6202234105
741343020
oct15176771
96472815
103472889
111a62262
1211b5935
13947984
146658b7
1548900e
hex34fdf9

3472889 has 4 divisors (see below), whose sum is σ = 3969024. Its totient is φ = 2976756.

The previous prime is 3472883. The next prime is 3472897. The reversal of 3472889 is 9882743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9882743 = 13760211.

It is a cyclic number.

It is not a de Polignac number, because 3472889 - 28 = 3472633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3472883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248057 + ... + 248070.

It is an arithmetic number, because the mean of its divisors is an integer number (992256).

Almost surely, 23472889 is an apocalyptic number.

It is an amenable number.

3472889 is a deficient number, since it is larger than the sum of its proper divisors (496135).

3472889 is an equidigital number, since it uses as much as digits as its factorization.

3472889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496134.

The product of its digits is 96768, while the sum is 41.

The square root of 3472889 is about 1863.5688879137. The cubic root of 3472889 is about 151.4364083740.

Adding to 3472889 its sum of digits (41), we get a triangular number (3472930 = T2635).

The spelling of 3472889 in words is "three million, four hundred seventy-two thousand, eight hundred eighty-nine".

Divisors: 1 7 496127 3472889