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2120353 is a prime number
BaseRepresentation
bin1000000101101010100001
310222201120121
420011222201
51020322403
6113240241
724010534
oct10055241
93881517
102120353
111219064
12863081
13593161
143d2a1b
152bd3bd
hex205aa1

2120353 has 2 divisors, whose sum is σ = 2120354. Its totient is φ = 2120352.

The previous prime is 2120351. The next prime is 2120383. The reversal of 2120353 is 3530212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 1024144 = 1047^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120353 - 21 = 2120351 is a prime.

Together with 2120351, it forms a pair of twin primes.

It is an Ulam number.

2120353 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2120351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060176 + 1060177.

It is an arithmetic number, because the mean of its divisors is an integer number (1060177).

22120353 is an apocalyptic number.

It is an amenable number.

2120353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120353 is an equidigital number, since it uses as much as digits as its factorization.

2120353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2120353 is about 1456.1431935081. The cubic root of 2120353 is about 128.4702954852.

Adding to 2120353 its reverse (3530212), we get a palindrome (5650565).

The spelling of 2120353 in words is "two million, one hundred twenty thousand, three hundred fifty-three".