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213010 = 25717179
BaseRepresentation
bin110100000000010010
3101211012021
4310000102
523304020
64322054
71545010
oct640022
9354167
10213010
11136046
12a332a
1375c55
14578b0
15431aa
hex34012

213010 has 32 divisors (see below), whose sum is σ = 466560. Its totient is φ = 68352.

The previous prime is 212999. The next prime is 213019. The reversal of 213010 is 10312.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 212984 and 213002.

It is not an unprimeable number, because it can be changed into a prime (213019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2213010 is an apocalyptic number.

213010 is an abundant number, since it is smaller than the sum of its proper divisors (253550).

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

213010 is a wasteful number, since it uses less digits than its factorization.

213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 213010 is about 461.5300640262. The cubic root of 213010 is about 59.7218607834.

Adding to 213010 its reverse (10312), we get a palindrome (223322).

The spelling of 213010 in words is "two hundred thirteen thousand, ten".