Search a number
-
+
6290442 = 2321761337
BaseRepresentation
bin10111111111110000001010
3102211120212100
4113333300022
53102243232
6342454230
7104316324
oct27776012
912746770
106290442
113607114
122134376
1313c3272
14b9a614
15843c7c
hex5ffc0a

6290442 has 48 divisors (see below), whose sum is σ = 14711112. Its totient is φ = 1935360.

The previous prime is 6290441. The next prime is 6290443. The reversal of 6290442 is 2440926.

It is an interprime number because it is at equal distance from previous prime (6290441) and next prime (6290443).

It can be written as a sum of positive squares in 4 ways, for example, as 3884841 + 2405601 = 1971^2 + 1551^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (6290441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18498 + ... + 18834.

Almost surely, 26290442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6290442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7355556).

6290442 is an abundant number, since it is smaller than the sum of its proper divisors (8420670).

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

6290442 is a wasteful number, since it uses less digits than its factorization.

6290442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6290442 is about 2508.0753577195. The cubic root of 6290442 is about 184.5980266533.

The spelling of 6290442 in words is "six million, two hundred ninety thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 61 102 122 153 183 306 337 366 549 674 1011 1037 1098 2022 2074 3033 3111 5729 6066 6222 9333 11458 17187 18666 20557 34374 41114 51561 61671 103122 123342 185013 349469 370026 698938 1048407 2096814 3145221 6290442