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43055493 = 3131103987
BaseRepresentation
bin1010010000111…
…1100110000101
310000000110000220
42210033212011
542010233433
64134454553
71031652135
oct244174605
9100013026
1043055493
1122338258
1212504459
138bc6530
145a0aac5
153ba72b3
hex290f985

43055493 has 8 divisors (see below), whose sum is σ = 61823328. Its totient is φ = 26495664.

The previous prime is 43055491. The next prime is 43055561. The reversal of 43055493 is 39455034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43055493 - 21 = 43055491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43055491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551955 + ... + 552032.

It is an arithmetic number, because the mean of its divisors is an integer number (7727916).

Almost surely, 243055493 is an apocalyptic number.

It is an amenable number.

43055493 is a deficient number, since it is larger than the sum of its proper divisors (18767835).

43055493 is a wasteful number, since it uses less digits than its factorization.

43055493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104003.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 43055493 is about 6561.6684616033. The cubic root of 43055493 is about 350.4904498338.

The spelling of 43055493 in words is "forty-three million, fifty-five thousand, four hundred ninety-three".

Divisors: 1 3 13 39 1103987 3311961 14351831 43055493