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213425223 = 31153122027
BaseRepresentation
bin11001011100010…
…01110001000111
3112212121010100220
430232021301013
5414114101343
633102235423
75201040654
oct1456116107
9485533326
10213425223
11aa522590
125b585b73
13352a7c1b
14204b8c2b
1513b0c183
hexcb89c47

213425223 has 16 divisors (see below), whose sum is σ = 316296576. Its totient is φ = 126907040.

The previous prime is 213425207. The next prime is 213425231. The reversal of 213425223 is 322524312.

213425223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213425223 - 24 = 213425207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213425193 and 213425202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213425323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59265 + ... + 62762.

It is an arithmetic number, because the mean of its divisors is an integer number (19768536).

Almost surely, 2213425223 is an apocalyptic number.

213425223 is a deficient number, since it is larger than the sum of its proper divisors (102871353).

213425223 is a wasteful number, since it uses less digits than its factorization.

213425223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122094.

The product of its digits is 2880, while the sum is 24.

The square root of 213425223 is about 14609.0801558483. The cubic root of 213425223 is about 597.6064111405.

Adding to 213425223 its reverse (322524312), we get a palindrome (535949535).

It can be divided in two parts, 21342 and 5223, that added together give a triangular number (26565 = T230).

The spelling of 213425223 in words is "two hundred thirteen million, four hundred twenty-five thousand, two hundred twenty-three".

Divisors: 1 3 11 33 53 159 583 1749 122027 366081 1342297 4026891 6467431 19402293 71141741 213425223