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68029186 = 2296171901
BaseRepresentation
bin1000000111000…
…00101100000010
311202000020111111
410003200230002
5114403413221
610430033534
71454144551
oct403405402
9152006444
1068029186
1135445375
121a9488aa
131112b774
14906bd98
155e8bbe1
hex40e0b02

68029186 has 16 divisors (see below), whose sum is σ = 105789240. Its totient is φ = 32771200.

The previous prime is 68029153. The next prime is 68029237. The reversal of 68029186 is 68192086.

It can be written as a sum of positive squares in 4 ways, for example, as 24059025 + 43970161 = 4905^2 + 6631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34836 + ... + 36736.

Almost surely, 268029186 is an apocalyptic number.

68029186 is a deficient number, since it is larger than the sum of its proper divisors (37760054).

68029186 is a wasteful number, since it uses less digits than its factorization.

68029186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 68029186 is about 8247.9807225769. The cubic root of 68029186 is about 408.2238975185.

The spelling of 68029186 in words is "sixty-eight million, twenty-nine thousand, one hundred eighty-six".

Divisors: 1 2 29 58 617 1234 1901 3802 17893 35786 55129 110258 1172917 2345834 34014593 68029186