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213201342 = 2333948173
BaseRepresentation
bin11001011010100…
…11000110111110
3112212011202021000
430231103012332
5414034420332
633053351130
75166116154
oct1455230676
9485152230
10213201342
11aa38a362
125b4984a6
133522a053
142045b3d4
1513ab5b7c
hexcb531be

213201342 has 16 divisors (see below), whose sum is σ = 473780880. Its totient is φ = 71067096.

The previous prime is 213201341. The next prime is 213201343. The reversal of 213201342 is 243102312.

213201342 is a `hidden beast` number, since 2 + 1 + 320 + 1 + 342 = 666.

213201342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213201341) and next prime (213201343).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974033 + ... + 1974140.

It is an arithmetic number, because the mean of its divisors is an integer number (29611305).

Almost surely, 2213201342 is an apocalyptic number.

213201342 is an abundant number, since it is smaller than the sum of its proper divisors (260579538).

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

213201342 is a wasteful number, since it uses less digits than its factorization.

213201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948184 (or 3948178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 213201342 is about 14601.4157532754. The cubic root of 213201342 is about 597.3973769118.

Adding to 213201342 its reverse (243102312), we get a palindrome (456303654).

The spelling of 213201342 in words is "two hundred thirteen million, two hundred one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 3948173 7896346 11844519 23689038 35533557 71067114 106600671 213201342