Search a number
-
+
6745380 = 2235196197
BaseRepresentation
bin11001101110110100100100
3110200200220220
4121232310210
53211323010
6400324340
7111222555
oct31566444
913620826
106745380
1138979a4
1223136b0
131522365
14c7832c
158d3970
hex66ed24

6745380 has 96 divisors (see below), whose sum is σ = 20415360. Its totient is φ = 1658880.

The previous prime is 6745369. The next prime is 6745391. The reversal of 6745380 is 835476.

It is an interprime number because it is at equal distance from previous prime (6745369) and next prime (6745391).

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69492 + ... + 69588.

It is an arithmetic number, because the mean of its divisors is an integer number (212660).

Almost surely, 26745380 is an apocalyptic number.

6745380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6745380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10207680).

6745380 is an abundant number, since it is smaller than the sum of its proper divisors (13669980).

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

6745380 is a wasteful number, since it uses less digits than its factorization.

6745380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 6745380 is about 2597.1869397485. The cubic root of 6745380 is about 188.9450303452.

The spelling of 6745380 in words is "six million, seven hundred forty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 61 76 95 97 114 122 183 190 194 228 244 285 291 305 366 380 388 485 570 582 610 732 915 970 1140 1159 1164 1220 1455 1830 1843 1940 2318 2910 3477 3660 3686 4636 5529 5795 5820 5917 6954 7372 9215 11058 11590 11834 13908 17385 17751 18430 22116 23180 23668 27645 29585 34770 35502 36860 55290 59170 69540 71004 88755 110580 112423 118340 177510 224846 337269 355020 449692 562115 674538 1124230 1349076 1686345 2248460 3372690 6745380