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2112158 = 28271277
BaseRepresentation
bin1000000011101010011110
310222022100002
420003222132
51020042113
6113134302
723644616
oct10035236
93868302
102112158
111212994
1285a392
1358c4c9
143cda46
152bac58
hex203a9e

2112158 has 8 divisors (see below), whose sum is σ = 3174552. Its totient is φ = 1053976.

The previous prime is 2112151. The next prime is 2112161. The reversal of 2112158 is 8512112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21121582 = 8922422833928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112151) 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, 1016 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (396819).

22112158 is an apocalyptic number.

2112158 is a deficient number, since it is larger than the sum of its proper divisors (1062394).

2112158 is a wasteful number, since it uses less digits than its factorization.

2112158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its digits is 160, while the sum is 20.

The square root of 2112158 is about 1453.3265290361. The cubic root of 2112158 is about 128.3045725545.

The spelling of 2112158 in words is "two million, one hundred twelve thousand, one hundred fifty-eight".

Divisors: 1 2 827 1277 1654 2554 1056079 2112158