Search a number
-
+
12322080 = 2532543199
BaseRepresentation
bin101111000000…
…010100100000
3212012000201100
4233000110200
511123301310
61120034400
7206510301
oct57002440
925160640
1012322080
116a56841
124162a00
132725794
1418ca7a8
151135ec0
hexbc0520

12322080 has 144 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 3193344.

The previous prime is 12322067. The next prime is 12322081. The reversal of 12322080 is 8022321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12322081) 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, 61821 + ... + 62019.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

Almost surely, 212322080 is an apocalyptic number.

12322080 is a gapful number since it is divisible by the number (10) 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 12322080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21621600).

12322080 is an abundant number, since it is smaller than the sum of its proper divisors (30921120).

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

12322080 is a wasteful number, since it uses less digits than its factorization.

12322080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12322080 is about 3510.2820399506. The cubic root of 12322080 is about 230.9730670798.

The spelling of 12322080 in words is "twelve million, three hundred twenty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 43 45 48 60 72 80 86 90 96 120 129 144 160 172 180 199 215 240 258 288 344 360 387 398 430 480 516 597 645 688 720 774 796 860 995 1032 1194 1290 1376 1440 1548 1592 1720 1791 1935 1990 2064 2388 2580 2985 3096 3184 3440 3582 3870 3980 4128 4776 5160 5970 6192 6368 6880 7164 7740 7960 8557 8955 9552 10320 11940 12384 14328 15480 15920 17114 17910 19104 20640 23880 25671 28656 30960 31840 34228 35820 42785 47760 51342 57312 61920 68456 71640 77013 85570 95520 102684 128355 136912 143280 154026 171140 205368 256710 273824 286560 308052 342280 385065 410736 513420 616104 684560 770130 821472 1026840 1232208 1369120 1540260 2053680 2464416 3080520 4107360 6161040 12322080