Search a number
-
+
213101200 = 245213107383
BaseRepresentation
bin11001011001110…
…10101010010000
3112211222122220001
430230322222100
5414023214300
633051255344
75165221204
oct1454725220
9484878801
10213101200
11aa3210a4
125b44a554
13351c35b0
1420432b04
1513a9616a
hexcb3aa90

213101200 has 120 divisors (see below), whose sum is σ = 557964288. Its totient is φ = 77744640.

The previous prime is 213101179. The next prime is 213101201. The reversal of 213101200 is 2101312.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (213101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556209 + ... + 556591.

Almost surely, 2213101200 is an apocalyptic number.

213101200 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 213101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278982144).

213101200 is an abundant number, since it is smaller than the sum of its proper divisors (344863088).

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

213101200 is a wasteful number, since it uses less digits than its factorization.

213101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 213101200 is about 14597.9861624815. The cubic root of 213101200 is about 597.3038285056.

Adding to 213101200 its reverse (2101312), we get a palindrome (215202512).

The spelling of 213101200 in words is "two hundred thirteen million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 107 130 200 208 214 260 325 383 400 428 520 535 650 766 856 1040 1070 1300 1391 1532 1712 1915 2140 2600 2675 2782 3064 3830 4280 4979 5200 5350 5564 6128 6955 7660 8560 9575 9958 10700 11128 13910 15320 19150 19916 21400 22256 24895 27820 30640 34775 38300 39832 40981 42800 49790 55640 69550 76600 79664 81962 99580 111280 124475 139100 153200 163924 199160 204905 248950 278200 327848 398320 409810 497900 532753 556400 655696 819620 995800 1024525 1065506 1639240 1991600 2049050 2131012 2663765 3278480 4098100 4262024 5327530 8196200 8524048 10655060 13318825 16392400 21310120 26637650 42620240 53275300 106550600 213101200