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69894994 = 2136174357
BaseRepresentation
bin1000010101010…
…00001101010010
311212112000220111
410022220031102
5120343114434
610534031534
71506045331
oct412501522
9155460814
1069894994
11364aa164
121b4a85aa
1311632ab0
1493d5d18
156209964
hex42a8352

69894994 has 16 divisors (see below), whose sum is σ = 113116248. Its totient is φ = 32199552.

The previous prime is 69894991. The next prime is 69895069. The reversal of 69894994 is 49949896.

It can be written as a sum of positive squares in 4 ways, for example, as 52780225 + 17114769 = 7265^2 + 4137^2 .

It is not an unprimeable number, because it can be changed into a prime (69894991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13864 + ... + 18220.

Almost surely, 269894994 is an apocalyptic number.

69894994 is a deficient number, since it is larger than the sum of its proper divisors (43221254).

69894994 is a wasteful number, since it uses less digits than its factorization.

69894994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989.

The product of its digits is 5038848, while the sum is 58.

The square root of 69894994 is about 8360.3226014311. The cubic root of 69894994 is about 411.9223508109.

The spelling of 69894994 in words is "sixty-nine million, eight hundred ninety-four thousand, nine hundred ninety-four".

Divisors: 1 2 13 26 617 1234 4357 8021 8714 16042 56641 113282 2688269 5376538 34947497 69894994