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2193122 = 21096561
BaseRepresentation
bin1000010111011011100010
311010102101202
420113123202
51030134442
6115001202
724432641
oct10273342
94112352
102193122
1112687a8
12899202
135ba309
14411358
152d4c32
hex2176e2

2193122 has 4 divisors (see below), whose sum is σ = 3289686. Its totient is φ = 1096560.

The previous prime is 2193097. The next prime is 2193127. The reversal of 2193122 is 2213912.

2193122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 373321 = 1349^2 + 611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2193094 and 2193103.

It is not an unprimeable number, because it can be changed into a prime (2193127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548279 + ... + 548282.

22193122 is an apocalyptic number.

2193122 is a deficient number, since it is larger than the sum of its proper divisors (1096564).

2193122 is a wasteful number, since it uses less digits than its factorization.

2193122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096563.

The product of its digits is 216, while the sum is 20.

The square root of 2193122 is about 1480.9193090780. The cubic root of 2193122 is about 129.9234657994.

It can be divided in two parts, 2193 and 122, that multiplied together give a triangular number (267546 = T731).

The spelling of 2193122 in words is "two million, one hundred ninety-three thousand, one hundred twenty-two".

Divisors: 1 2 1096561 2193122