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2054453 = 11318181
BaseRepresentation
bin111110101100100110101
310212101011212
413311210311
51011220303
6112011205
723314442
oct7654465
93771155
102054453
1111835a5
12830b05
1356c16b
143b69c9
152a8ad8
hex1f5935

2054453 has 4 divisors (see below), whose sum is σ = 2072748. Its totient is φ = 2036160.

The previous prime is 2054449. The next prime is 2054471. The reversal of 2054453 is 3544502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 935089 + 1119364 = 967^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054453 - 22 = 2054449 is a prime.

It is a d-powerful number, because it can be written as 2 + 0 + 57 + 44 + 47 + 59 + 38 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (518187).

22054453 is an apocalyptic number.

It is an amenable number.

2054453 is a deficient number, since it is larger than the sum of its proper divisors (18295).

2054453 is a wasteful number, since it uses less digits than its factorization.

2054453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2054453 is about 1433.3363178264. The cubic root of 2054453 is about 127.1253232083.

Adding to 2054453 its reverse (3544502), we get a palindrome (5598955).

The spelling of 2054453 in words is "two million, fifty-four thousand, four hundred fifty-three".

Divisors: 1 113 18181 2054453