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2282138 = 28912821
BaseRepresentation
bin1000101101001010011010
311021221111122
420231022122
51041012023
6120525242
725253315
oct10551232
94257448
102282138
111319671
12920822
1361b9a1
1443597c
153012c8
hex22d29a

2282138 has 8 divisors (see below), whose sum is σ = 3461940. Its totient is φ = 1128160.

The previous prime is 2282099. The next prime is 2282141. The reversal of 2282138 is 8312822.

It can be written as a sum of positive squares in 2 ways, for example, as 1868689 + 413449 = 1367^2 + 643^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6233 + ... + 6588.

22282138 is an apocalyptic number.

2282138 is a deficient number, since it is larger than the sum of its proper divisors (1179802).

2282138 is a wasteful number, since it uses less digits than its factorization.

2282138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912.

The product of its digits is 1536, while the sum is 26.

The square root of 2282138 is about 1510.6746837092. The cubic root of 2282138 is about 131.6580143507.

The spelling of 2282138 in words is "two million, two hundred eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 89 178 12821 25642 1141069 2282138