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43054331 = 163264137
BaseRepresentation
bin1010010000111…
…1010011111011
310000000101102212
42210033103323
542010214311
64134445335
71031645555
oct244172373
9100011385
1043054331
11223373a1
121250384b
138bc5b48
145a0a4d5
153ba6c8b
hex290f4fb

43054331 has 4 divisors (see below), whose sum is σ = 43318632. Its totient is φ = 42790032.

The previous prime is 43054327. The next prime is 43054369. The reversal of 43054331 is 13345034.

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

It is a cyclic number.

It is not a de Polignac number, because 43054331 - 22 = 43054327 is a prime.

It is a super-2 number, since 2×430543312 = 3707350835715122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43054297 and 43054306.

It is not an unprimeable number, because it can be changed into a prime (43054301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131906 + ... + 132231.

It is an arithmetic number, because the mean of its divisors is an integer number (10829658).

Almost surely, 243054331 is an apocalyptic number.

43054331 is a deficient number, since it is larger than the sum of its proper divisors (264301).

43054331 is a wasteful number, since it uses less digits than its factorization.

43054331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264300.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 43054331 is about 6561.5799164530. The cubic root of 43054331 is about 350.4872967436.

Adding to 43054331 its reverse (13345034), we get a palindrome (56399365).

The spelling of 43054331 in words is "forty-three million, fifty-four thousand, three hundred thirty-one".

Divisors: 1 163 264137 43054331