Search a number
-
+
210213120 = 2835134211
BaseRepresentation
bin11001000011110…
…01100100000000
3112122112221012010
430201321210000
5412303304440
632505332520
75131532145
oct1441714400
9478487163
10210213120
11a8729257
125a497140
1334721b80
141dcc03cc
15136c5580
hexc879900

210213120 has 144 divisors (see below), whose sum is σ = 723183552. Its totient is φ = 51732480.

The previous prime is 210213119. The next prime is 210213151. The reversal of 210213120 is 21312012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210213096 and 210213105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47815 + ... + 52025.

It is an arithmetic number, because the mean of its divisors is an integer number (5022108).

Almost surely, 2210213120 is an apocalyptic number.

210213120 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 210213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361591776).

210213120 is an abundant number, since it is smaller than the sum of its proper divisors (512970432).

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

210213120 is a wasteful number, since it uses less digits than its factorization.

210213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 210213120 is about 14498.7282200888. The cubic root of 210213120 is about 594.5932016824.

Adding to 210213120 its reverse (21312012), we get a palindrome (231525132).

The spelling of 210213120 in words is "two hundred ten million, two hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 256 260 312 320 384 390 416 480 520 624 640 768 780 832 960 1040 1248 1280 1560 1664 1920 2080 2496 3120 3328 3840 4160 4211 4992 6240 8320 8422 9984 12480 12633 16640 16844 21055 24960 25266 33688 42110 49920 50532 54743 63165 67376 84220 101064 109486 126330 134752 164229 168440 202128 218972 252660 269504 273715 328458 336880 404256 437944 505320 539008 547430 656916 673760 808512 821145 875888 1010640 1078016 1094860 1313832 1347520 1617024 1642290 1751776 2021280 2189720 2627664 2695040 3234048 3284580 3503552 4042560 4379440 5255328 5390080 6569160 7007104 8085120 8758880 10510656 13138320 14014208 16170240 17517760 21021312 26276640 35035520 42042624 52553280 70071040 105106560 210213120