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43454053 = 73595261
BaseRepresentation
bin1010010111000…
…0111001100101
310000202200202101
42211300321211
542111012203
64151212101
71035232126
oct245607145
9100680671
1043454053
112258a745
1212677031
139005a76
145ab204d
153c3541d
hex2970e65

43454053 has 4 divisors (see below), whose sum is σ = 44049388. Its totient is φ = 42858720.

The previous prime is 43454051. The next prime is 43454087. The reversal of 43454053 is 35045434.

43454053 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, and also an emirpimes, since its reverse is a distinct semiprime: 35045434 = 217522717.

It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 13675204 = 5457^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 43454053 - 21 = 43454051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43454051) 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, 297558 + ... + 297703.

It is an arithmetic number, because the mean of its divisors is an integer number (11012347).

Almost surely, 243454053 is an apocalyptic number.

It is an amenable number.

43454053 is a deficient number, since it is larger than the sum of its proper divisors (595335).

43454053 is an equidigital number, since it uses as much as digits as its factorization.

43454053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595334.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 43454053 is about 6591.9688257758. The cubic root of 43454053 is about 351.5686137788.

Adding to 43454053 its reverse (35045434), we get a palindrome (78499487).

The spelling of 43454053 in words is "forty-three million, four hundred fifty-four thousand, fifty-three".

Divisors: 1 73 595261 43454053