Search a number
-
+
3442869 = 32382541
BaseRepresentation
bin1101001000100010110101
320110220201200
431020202311
51340132434
6201443113
741156343
oct15104265
96426650
103442869
111a41751
1211a0499
13937101
14658993
15480199
hex3488b5

3442869 has 6 divisors (see below), whose sum is σ = 4973046. Its totient is φ = 2295240.

The previous prime is 3442867. The next prime is 3442871. The reversal of 3442869 is 9682443.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3442867) and next prime (3442871).

It can be written as a sum of positive squares in only one way, i.e., 2762244 + 680625 = 1662^2 + 825^2 .

It is not a de Polignac number, because 3442869 - 21 = 3442867 is a prime.

It is a super-2 number, since 2×34428692 = 23706693902322, which contains 22 as substring.

3442869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191262 + ... + 191279.

It is an arithmetic number, because the mean of its divisors is an integer number (828841).

Almost surely, 23442869 is an apocalyptic number.

It is an amenable number.

3442869 is a deficient number, since it is larger than the sum of its proper divisors (1530177).

3442869 is a wasteful number, since it uses less digits than its factorization.

3442869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382547 (or 382544 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3442869 is about 1855.4969684696. The cubic root of 3442869 is about 150.9988012127.

The spelling of 3442869 in words is "three million, four hundred forty-two thousand, eight hundred sixty-nine".

Divisors: 1 3 9 382541 1147623 3442869