Search a number
-
+
3440705 = 52961389
BaseRepresentation
bin1101001000000001000001
320110210202112
431020001001
51340100310
6201425105
741150132
oct15100101
96423675
103440705
111a40064
12119b195
13936128
14657c89
1547e705
hex348041

3440705 has 16 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 2607360.

The previous prime is 3440683. The next prime is 3440719. The reversal of 3440705 is 5070443.

It can be written as a sum of positive squares in 8 ways, for example, as 790321 + 2650384 = 889^2 + 1628^2 .

It is a de Polignac number, because none of the positive numbers 2k-3440705 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8651 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (272025).

Almost surely, 23440705 is an apocalyptic number.

It is an amenable number.

3440705 is a deficient number, since it is larger than the sum of its proper divisors (911695).

3440705 is a wasteful number, since it uses less digits than its factorization.

3440705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3440705 is about 1854.9137446253. The cubic root of 3440705 is about 150.9671580403.

The spelling of 3440705 in words is "three million, four hundred forty thousand, seven hundred five".

Divisors: 1 5 29 61 145 305 389 1769 1945 8845 11281 23729 56405 118645 688141 3440705