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70847034 = 2341928181
BaseRepresentation
bin1000011100100…
…00101000111010
311221022101212020
410032100220322
5121114101114
611010255310
71520122056
oct416205072
9157271766
1070847034
1136a9a475
121b887536
13118a722b
1495a2c66
156346aa9
hex4390a3a

70847034 has 16 divisors (see below), whose sum is σ = 142037280. Its totient is φ = 23558480.

The previous prime is 70847033. The next prime is 70847053. The reversal of 70847034 is 43074807.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70846986 and 70847004.

It is not an unprimeable number, because it can be changed into a prime (70847033) 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 in 7 ways as a sum of consecutive naturals, for example, 11577 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (8877330).

Almost surely, 270847034 is an apocalyptic number.

70847034 is an abundant number, since it is smaller than the sum of its proper divisors (71190246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70847034 is a wasteful number, since it uses less digits than its factorization.

70847034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28605.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70847034 is about 8417.0680168334. The cubic root of 70847034 is about 413.7841882040.

The spelling of 70847034 in words is "seventy million, eight hundred forty-seven thousand, thirty-four".

Divisors: 1 2 3 6 419 838 1257 2514 28181 56362 84543 169086 11807839 23615678 35423517 70847034