Search a number
-
+
213412301 = 1052920269
BaseRepresentation
bin11001011100001…
…10100111001101
3112212120110122022
430232012213031
5414113143201
633102055525
75200655204
oct1456064715
9485513568
10213412301
11aa513903
125b57a5a5
13352a208b
14204b423b
1513b0841b
hexcb869cd

213412301 has 4 divisors (see below), whose sum is σ = 213443100. Its totient is φ = 213381504.

The previous prime is 213412273. The next prime is 213412321. The reversal of 213412301 is 103214312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 168870025 + 44542276 = 12995^2 + 6674^2 .

It is a cyclic number.

It is not a de Polignac number, because 213412301 - 210 = 213411277 is a prime.

It is a super-2 number, since 2×2134123012 = 91089620436229202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213412301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213412321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (53360775).

Almost surely, 2213412301 is an apocalyptic number.

It is an amenable number.

213412301 is a deficient number, since it is larger than the sum of its proper divisors (30799).

213412301 is a wasteful number, since it uses less digits than its factorization.

213412301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30798.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213412301 is about 14608.6378899609. The cubic root of 213412301 is about 597.5943500452.

Adding to 213412301 its reverse (103214312), we get a palindrome (316626613).

The spelling of 213412301 in words is "two hundred thirteen million, four hundred twelve thousand, three hundred one".

Divisors: 1 10529 20269 213412301