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70943043 = 323647681
BaseRepresentation
bin1000011101010…
…00000101000011
311221111021120010
410032220011003
5121130134133
611012320003
71521002013
oct416500503
9157437503
1070943043
1137055616
121b913003
131190bb42
1495c9c43
156365263
hex43a8143

70943043 has 4 divisors (see below), whose sum is σ = 94590728. Its totient is φ = 47295360.

The previous prime is 70943039. The next prime is 70943071. The reversal of 70943043 is 34034907.

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

It is not a de Polignac number, because 70943043 - 22 = 70943039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70943043.

It is not an unprimeable number, because it can be changed into a prime (70943003) 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, 11823838 + ... + 11823843.

It is an arithmetic number, because the mean of its divisors is an integer number (23647682).

Almost surely, 270943043 is an apocalyptic number.

70943043 is a deficient number, since it is larger than the sum of its proper divisors (23647685).

70943043 is a wasteful number, since it uses less digits than its factorization.

70943043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23647684.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70943043 is about 8422.7693189354. The cubic root of 70943043 is about 413.9710182984.

The spelling of 70943043 in words is "seventy million, nine hundred forty-three thousand, forty-three".

Divisors: 1 3 23647681 70943043