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70044173 is a prime number
BaseRepresentation
bin1000010110011…
…00101000001101
311212210121112122
410023030220031
5120412403143
610541142325
71510236263
oct413145015
9155717478
1070044173
11365a1251
121b55a9a5
1311685974
149434433
156238c68
hex42cca0d

70044173 has 2 divisors, whose sum is σ = 70044174. Its totient is φ = 70044172.

The previous prime is 70044133. The next prime is 70044179. The reversal of 70044173 is 37144007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 605284 = 8333^2 + 778^2 .

It is an emirp because it is prime and its reverse (37144007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70044173 - 26 = 70044109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70044179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022086 + 35022087.

It is an arithmetic number, because the mean of its divisors is an integer number (35022087).

Almost surely, 270044173 is an apocalyptic number.

It is an amenable number.

70044173 is a deficient number, since it is larger than the sum of its proper divisors (1).

70044173 is an equidigital number, since it uses as much as digits as its factorization.

70044173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70044173 is about 8369.2396906768. The cubic root of 70044173 is about 412.2152020072.

The spelling of 70044173 in words is "seventy million, forty-four thousand, one hundred seventy-three".