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70895083 = 7171274691
BaseRepresentation
bin1000011100111…
…00010111101011
311221101211202211
410032130113223
5121122120313
611011305551
71520412130
oct416342753
9157354684
1070895083
1137022586
121b8ab2b7
13118c306c
1495b6587
156355e3d
hex439c5eb

70895083 has 16 divisors (see below), whose sum is σ = 86482944. Its totient is φ = 56730240.

The previous prime is 70895081. The next prime is 70895087. The reversal of 70895083 is 38059807.

It is not a de Polignac number, because 70895083 - 21 = 70895081 is a prime.

It is a super-2 number, since 2×708950832 = 10052225587153778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70895081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12768 + ... + 17458.

It is an arithmetic number, because the mean of its divisors is an integer number (5405184).

Almost surely, 270895083 is an apocalyptic number.

70895083 is a deficient number, since it is larger than the sum of its proper divisors (15587861).

70895083 is a wasteful number, since it uses less digits than its factorization.

70895083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 70895083 is about 8419.9217929860. The cubic root of 70895083 is about 413.8777109310.

The spelling of 70895083 in words is "seventy million, eight hundred ninety-five thousand, eighty-three".

Divisors: 1 7 17 119 127 889 2159 4691 15113 32837 79747 558229 595757 4170299 10127869 70895083