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70850023 is a prime number
BaseRepresentation
bin1000011100100…
…01010111100111
311221022112221221
410032101113213
5121114200043
611010321211
71520133556
oct416212747
9157275857
1070850023
1136aa1742
121b889207
13118a86ba
1495a3d9d
1563478ed
hex43915e7

70850023 has 2 divisors, whose sum is σ = 70850024. Its totient is φ = 70850022.

The previous prime is 70850011. The next prime is 70850047. The reversal of 70850023 is 32005807.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70850023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70850023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70850053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425011 + 35425012.

It is an arithmetic number, because the mean of its divisors is an integer number (35425012).

Almost surely, 270850023 is an apocalyptic number.

70850023 is a deficient number, since it is larger than the sum of its proper divisors (1).

70850023 is an equidigital number, since it uses as much as digits as its factorization.

70850023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70850023 is about 8417.2455708504. The cubic root of 70850023 is about 413.7900072363.

The spelling of 70850023 in words is "seventy million, eight hundred fifty thousand, twenty-three".