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213411100 = 225271092797
BaseRepresentation
bin11001011100001…
…10010100011100
3112212120101222211
430232012110130
5414113123400
633102050204
75200651540
oct1456062434
9485511884
10213411100
11aa512a11
125b579964
13352a1676
14204b3a20
1513b07dba
hexcb8651c

213411100 has 72 divisors (see below), whose sum is σ = 534306080. Its totient is φ = 72472320.

The previous prime is 213411071. The next prime is 213411151. The reversal of 213411100 is 1114312.

It is a congruent number.

It is an unprimeable number.

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, 74902 + ... + 77698.

Almost surely, 2213411100 is an apocalyptic number.

213411100 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 213411100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267153040).

213411100 is an abundant number, since it is smaller than the sum of its proper divisors (320894980).

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

213411100 is a wasteful number, since it uses less digits than its factorization.

213411100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 213411100 is about 14608.5967840857. The cubic root of 213411100 is about 597.5932290349.

Adding to 213411100 its reverse (1114312), we get a palindrome (214525412).

The spelling of 213411100 in words is "two hundred thirteen million, four hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 109 140 175 218 350 436 545 700 763 1090 1526 2180 2725 2797 3052 3815 5450 5594 7630 10900 11188 13985 15260 19075 19579 27970 38150 39158 55940 69925 76300 78316 97895 139850 195790 279700 304873 391580 489475 609746 978950 1219492 1524365 1957900 2134111 3048730 4268222 6097460 7621825 8536444 10670555 15243650 21341110 30487300 42682220 53352775 106705550 213411100