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BaseRepresentation
bin1000000000101110011010
310221200211022
420000232122
51014200442
6113002442
723564543
oct10005632
93850738
102100122
111204942
12853422
13586b9b
143c94ca
152b73d2
hex200b9a

2100122 has 8 divisors (see below), whose sum is σ = 3258900. Its totient is φ = 1013824.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100122 is 2210012.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 58081 = 1429^2 + 241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2100121) 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, 18047 + ... + 18162.

22100122 is an apocalyptic number.

2100122 is a deficient number, since it is larger than the sum of its proper divisors (1158778).

2100122 is a wasteful number, since it uses less digits than its factorization.

2100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36240.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2100122 is about 1449.1797680067. The cubic root of 2100122 is about 128.0603963024.

Adding to 2100122 its reverse (2210012), we get a palindrome (4310134).

It can be divided in two parts, 210012 and 2, that multiplied together give a palindrome (420024).

The spelling of 2100122 in words is "two million, one hundred thousand, one hundred twenty-two".

Divisors: 1 2 29 58 36209 72418 1050061 2100122