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214008080 = 245111321439
BaseRepresentation
bin11001100000110…
…00000100010000
3112220200201220012
430300120010100
5414241224310
633122534052
75206016156
oct1460300420
9486621805
10214008080
11aa890490
125b807328
1335450300
14205cb3d6
1513bc4c05
hexcc18110

214008080 has 120 divisors (see below), whose sum is σ = 588176640. Its totient is φ = 71784960.

The previous prime is 214008043. The next prime is 214008083. The reversal of 214008080 is 80800412.

It is not an unprimeable number, because it can be changed into a prime (214008083) 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, 148001 + ... + 149439.

It is an arithmetic number, because the mean of its divisors is an integer number (4901472).

Almost surely, 2214008080 is an apocalyptic number.

214008080 is a gapful number since it is divisible by the number (20) 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 214008080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294088320).

214008080 is an abundant number, since it is smaller than the sum of its proper divisors (374168560).

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

214008080 is a wasteful number, since it uses less digits than its factorization.

214008080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 214008080 is about 14629.0150044355. The cubic root of 214008080 is about 598.1499309001.

Adding to 214008080 its reverse (80800412), we get a palindrome (294808492).

The spelling of 214008080 in words is "two hundred fourteen million, eight thousand, eighty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 104 110 130 143 169 176 208 220 260 286 338 440 520 572 676 715 845 880 1040 1144 1352 1430 1439 1690 1859 2288 2704 2860 2878 3380 3718 5720 5756 6760 7195 7436 9295 11440 11512 13520 14390 14872 15829 18590 18707 23024 28780 29744 31658 37180 37414 57560 63316 74360 74828 79145 93535 115120 126632 148720 149656 158290 187070 205777 243191 253264 299312 316580 374140 411554 486382 633160 748280 823108 972764 1028885 1215955 1266320 1496560 1646216 1945528 2057770 2431910 2675101 3292432 3891056 4115540 4863820 5350202 8231080 9727640 10700404 13375505 16462160 19455280 21400808 26751010 42801616 53502020 107004040 214008080