Search a number
-
+
3141705 = 35729921
BaseRepresentation
bin1011111111000001001001
312220121121110
423333001021
51301013310
6151200533
735463330
oct13770111
95817543
103141705
111856456
121076149
1385ccc8
145bad17
15420d20
hex2ff049

3141705 has 16 divisors (see below), whose sum is σ = 5745024. Its totient is φ = 1436160.

The previous prime is 3141689. The next prime is 3141713. The reversal of 3141705 is 5071413.

It is not a de Polignac number, because 3141705 - 24 = 3141689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 14856 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (359064).

Almost surely, 23141705 is an apocalyptic number.

3141705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3141705 is a deficient number, since it is larger than the sum of its proper divisors (2603319).

3141705 is a wasteful number, since it uses less digits than its factorization.

3141705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29936.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 3141705 is about 1772.4855429594. The cubic root of 3141705 is about 146.4609345764.

The spelling of 3141705 in words is "three million, one hundred forty-one thousand, seven hundred five".

Divisors: 1 3 5 7 15 21 35 105 29921 89763 149605 209447 448815 628341 1047235 3141705