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314201220 = 2235107109449
BaseRepresentation
bin10010101110100…
…101010010000100
3210220020002001020
4102232211102010
51120413414340
651102231140
710533444354
oct2256452204
9726202036
10314201220
111513a4033
12892854b0
13501309a8
142da2cb64
151c8b69d0
hex12ba5484

314201220 has 96 divisors (see below), whose sum is σ = 898128000. Its totient is φ = 82059264.

The previous prime is 314201201. The next prime is 314201221. The reversal of 314201220 is 22102413.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 314201220.

It is not an unprimeable number, because it can be changed into a prime (314201221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699556 + ... + 700004.

It is an arithmetic number, because the mean of its divisors is an integer number (9355500).

Almost surely, 2314201220 is an apocalyptic number.

314201220 is a gapful number since it is divisible by the number (30) 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 314201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449064000).

314201220 is an abundant number, since it is smaller than the sum of its proper divisors (583926780).

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

314201220 is a wasteful number, since it uses less digits than its factorization.

314201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 314201220 is about 17725.7219881166. The cubic root of 314201220 is about 679.8335953835.

Adding to 314201220 its reverse (22102413), we get a palindrome (336303633).

It can be divided in two parts, 31420 and 1220, that added together give a triangular number (32640 = T255).

The spelling of 314201220 in words is "three hundred fourteen million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 109 214 218 321 327 428 436 449 535 545 642 654 898 1070 1090 1284 1308 1347 1605 1635 1796 2140 2180 2245 2694 3210 3270 4490 5388 6420 6540 6735 8980 11663 13470 23326 26940 34989 46652 48043 48941 58315 69978 96086 97882 116630 139956 144129 146823 174945 192172 195764 233260 240215 244705 288258 293646 349890 480430 489410 576516 587292 699780 720645 734115 960860 978820 1441290 1468230 2882580 2936460 5236687 10473374 15710061 20946748 26183435 31420122 52366870 62840244 78550305 104733740 157100610 314201220