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214040288 = 25711253149
BaseRepresentation
bin11001100000111…
…11111011100000
3112220202101002002
430300133323200
5414243242123
633123343132
75206212110
oct1460377340
9486671062
10214040288
11aa902700
125b821aa8
1335461b77
14205d9040
1513bce528
hexcc1fee0

214040288 has 144 divisors (see below), whose sum is σ = 542959200. Its totient is φ = 81269760.

The previous prime is 214040249. The next prime is 214040293. The reversal of 214040288 is 882040412.

It is a self number, because there is not a number n which added to its sum of digits gives 214040288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1436438 + ... + 1436586.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2214040288 is an apocalyptic number.

214040288 is a gapful number since it is divisible by the number (28) 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 214040288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271479600).

214040288 is an abundant number, since it is smaller than the sum of its proper divisors (328918912).

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

214040288 is a wasteful number, since it uses less digits than its factorization.

214040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 214040288 is about 14630.1157890155. The cubic root of 214040288 is about 598.1799363818.

The spelling of 214040288 in words is "two hundred fourteen million, forty thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 53 56 77 88 106 112 121 149 154 176 212 224 242 298 308 352 371 424 484 583 596 616 742 847 848 968 1043 1166 1192 1232 1484 1639 1694 1696 1936 2086 2332 2384 2464 2968 3278 3388 3872 4081 4172 4664 4768 5936 6413 6556 6776 7897 8162 8344 9328 11473 11872 12826 13112 13552 15794 16324 16688 18029 18656 22946 25652 26224 27104 31588 32648 33376 36058 44891 45892 51304 52448 55279 63176 65296 72116 86867 89782 91784 102608 110558 126203 126352 130592 144232 173734 179564 183568 205216 221116 252406 252704 288464 347468 359128 367136 442232 504812 576928 608069 694936 718256 884464 955537 1009624 1216138 1389872 1436512 1768928 1911074 2019248 2432276 2779744 3822148 4038496 4864552 6688759 7644296 9729104 13377518 15288592 19458208 26755036 30577184 53510072 107020144 214040288