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70062043 = 83844121
BaseRepresentation
bin1000010110100…
…00111111011011
311212211112001111
410023100333123
5120413441133
610541401151
71510342342
oct413207733
9155745044
1070062043
1136603717
121b5691b7
1311690b3c
14943ab59
15623e1cd
hex42d0fdb

70062043 has 4 divisors (see below), whose sum is σ = 70906248. Its totient is φ = 69217840.

The previous prime is 70062029. The next prime is 70062061. The reversal of 70062043 is 34026007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34026007 = 247313759.

It is a cyclic number.

It is not a de Polignac number, because 70062043 - 221 = 67964891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70062073) 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, 421978 + ... + 422143.

It is an arithmetic number, because the mean of its divisors is an integer number (17726562).

Almost surely, 270062043 is an apocalyptic number.

70062043 is a deficient number, since it is larger than the sum of its proper divisors (844205).

70062043 is an equidigital number, since it uses as much as digits as its factorization.

70062043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844204.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 70062043 is about 8370.3072225576. The cubic root of 70062043 is about 412.2502544557.

The spelling of 70062043 in words is "seventy million, sixty-two thousand, forty-three".

Divisors: 1 83 844121 70062043