Search a number
-
+
6810960 = 2435133759
BaseRepresentation
bin11001111110110101010000
3110211000212210
4121332311100
53220422320
6401552120
7111615012
oct31766520
913730783
106810960
1139321a2
122345640
131546170
14c941b2
158e80e0
hex67ed50

6810960 has 160 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 1603584.

The previous prime is 6810943. The next prime is 6810983. The reversal of 6810960 is 690186.

It is a super-2 number, since 2×68109602 = 92778352243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115411 + ... + 115469.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

Almost surely, 26810960 is an apocalyptic number.

6810960 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 6810960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11874240).

6810960 is an abundant number, since it is smaller than the sum of its proper divisors (16937520).

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

6810960 is a wasteful number, since it uses less digits than its factorization.

6810960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 6810960 is about 2609.7816000578. The cubic root of 6810960 is about 189.5553777024. Note that the first 3 decimals are identical.

The spelling of 6810960 in words is "six million, eight hundred ten thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 37 39 40 48 52 59 60 65 74 78 80 104 111 118 120 130 148 156 177 185 195 208 222 236 240 260 295 296 312 354 370 390 444 472 481 520 555 590 592 624 708 740 767 780 885 888 944 962 1040 1110 1180 1416 1443 1480 1534 1560 1770 1776 1924 2183 2220 2301 2360 2405 2832 2886 2960 3068 3120 3540 3835 3848 4366 4440 4602 4720 4810 5772 6136 6549 7080 7215 7670 7696 8732 8880 9204 9620 10915 11505 11544 12272 13098 14160 14430 15340 17464 18408 19240 21830 23010 23088 26196 28379 28860 30680 32745 34928 36816 38480 43660 46020 52392 56758 57720 61360 65490 85137 87320 92040 104784 113516 115440 130980 141895 170274 174640 184080 227032 261960 283790 340548 425685 454064 523920 567580 681096 851370 1135160 1362192 1702740 2270320 3405480 6810960