Search a number
-
+
6849450 = 2325231491
BaseRepresentation
bin11010001000001110101010
3110212222200100
4122020032222
53223140300
6402450230
7112135146
oct32101652
913788610
106849450
113959103
122363976
13155a83a
14ca4226
15904700
hex6883aa

6849450 has 72 divisors (see below), whose sum is σ = 19034496. Its totient is φ = 1764000.

The previous prime is 6849421. The next prime is 6849463. The reversal of 6849450 is 549486.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13705 + ... + 14195.

It is an arithmetic number, because the mean of its divisors is an integer number (264368).

Almost surely, 26849450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9517248).

6849450 is an abundant number, since it is smaller than the sum of its proper divisors (12185046).

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

6849450 is a wasteful number, since it uses less digits than its factorization.

6849450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6849450 is about 2617.1453914523. The cubic root of 6849450 is about 189.9117780638.

Adding to 6849450 its sum of digits (36), we get a palindrome (6849486).

The spelling of 6849450 in words is "six million, eight hundred forty-nine thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 31 45 50 62 75 90 93 150 155 186 225 279 310 450 465 491 558 775 930 982 1395 1473 1550 2325 2455 2790 2946 4419 4650 4910 6975 7365 8838 12275 13950 14730 15221 22095 24550 30442 36825 44190 45663 73650 76105 91326 110475 136989 152210 220950 228315 273978 380525 456630 684945 761050 1141575 1369890 2283150 3424725 6849450