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213982158 = 231312592179
BaseRepresentation
bin11001100000100…
…01101111001110
3112220122102100010
430300101233032
5414234412113
633122214050
75205550455
oct1460215716
9486572303
10213982158
11aa872a65
125b7b4326
1335441580
14205c1b9c
1513bbc1c3
hexcc11bce

213982158 has 32 divisors (see below), whose sum is σ = 461462400. Its totient is φ = 65758176.

The previous prime is 213982141. The next prime is 213982159. The reversal of 213982158 is 851289312.

213982158 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

213982158 is a Rhonda number in base 10.

Its product of digits (34560) is a multiple of the sum of its prime divisors (3456).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213982159) 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, 97113 + ... + 99291.

It is an arithmetic number, because the mean of its divisors is an integer number (14420700).

Almost surely, 2213982158 is an apocalyptic number.

213982158 is an abundant number, since it is smaller than the sum of its proper divisors (247480242).

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

213982158 is a wasteful number, since it uses less digits than its factorization.

213982158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456.

The product of its digits is 34560, while the sum is 39.

The square root of 213982158 is about 14628.1289986109. The cubic root of 213982158 is about 598.1257793687.

The spelling of 213982158 in words is "two hundred thirteen million, nine hundred eighty-two thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 13 26 39 78 1259 2179 2518 3777 4358 6537 7554 13074 16367 28327 32734 49101 56654 84981 98202 169962 2743361 5486722 8230083 16460166 35663693 71327386 106991079 213982158