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213413100 = 22352897993
BaseRepresentation
bin11001011100001…
…10110011101100
3112212120111201220
430232012303230
5414113204400
633102103340
75200660425
oct1456066354
9485514656
10213413100
11aa51446a
125b57ab50
13352a2554
14204b464c
1513b087a0
hexcb86cec

213413100 has 72 divisors (see below), whose sum is σ = 624491280. Its totient is φ = 56263680.

The previous prime is 213413099. The next prime is 213413107. The reversal of 213413100 is 1314312.

It is a super-2 number, since 2×2134131002 = 91090302503220000, which contains 22 as substring.

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 213413100.

It is not an unprimeable number, because it can be changed into a prime (213413107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22704 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (8673490).

Almost surely, 2213413100 is an apocalyptic number.

213413100 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 213413100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312245640).

213413100 is an abundant number, since it is smaller than the sum of its proper divisors (411078180).

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

213413100 is a wasteful number, since it uses less digits than its factorization.

213413100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099 (or 8092 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213413100 is about 14608.6652367696. The cubic root of 213413100 is about 597.5950958274.

Adding to 213413100 its reverse (1314312), we get a palindrome (214727412).

The spelling of 213413100 in words is "two hundred thirteen million, four hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 89 100 150 178 267 300 356 445 534 890 1068 1335 1780 2225 2670 4450 5340 6675 7993 8900 13350 15986 23979 26700 31972 39965 47958 79930 95916 119895 159860 199825 239790 399650 479580 599475 711377 799300 1198950 1422754 2134131 2397900 2845508 3556885 4268262 7113770 8536524 10670655 14227540 17784425 21341310 35568850 42682620 53353275 71137700 106706550 213413100