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2193093 = 32724973
BaseRepresentation
bin1000010111011011000101
311010102100200
420113123011
51030134333
6115001113
724432600
oct10273305
94112320
102193093
111268781
12899199
135ba2b6
14411337
152d4c13
hex2176c5

2193093 has 18 divisors (see below), whose sum is σ = 3685734. Its totient is φ = 1252944.

The previous prime is 2193077. The next prime is 2193097. The reversal of 2193093 is 3903912.

2193093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 213444 = 1407^2 + 462^2 .

It is not a de Polignac number, because 2193093 - 24 = 2193077 is a prime.

2193093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193097) 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 in 17 ways as a sum of consecutive naturals, for example, 2046 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (204763).

22193093 is an apocalyptic number.

It is an amenable number.

2193093 is a deficient number, since it is larger than the sum of its proper divisors (1492641).

2193093 is a wasteful number, since it uses less digits than its factorization.

2193093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 2193093 is about 1480.9095178302. The cubic root of 2193093 is about 129.9228931307.

The spelling of 2193093 in words is "two million, one hundred ninety-three thousand, ninety-three".

Divisors: 1 3 7 9 21 49 63 147 441 4973 14919 34811 44757 104433 243677 313299 731031 2193093