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68036770 = 259770141
BaseRepresentation
bin1000000111000…
…10100010100010
311202000121220101
410003202202202
5114404134040
610430133014
71454205634
oct403424242
9152017811
1068036770
113545003a
121a95116a
1311132059
149070a54
155e8e09a
hex40e28a2

68036770 has 16 divisors (see below), whose sum is σ = 123730488. Its totient is φ = 26933760.

The previous prime is 68036767. The next prime is 68036779. The reversal of 68036770 is 7763086.

It can be written as a sum of positive squares in 4 ways, for example, as 58507201 + 9529569 = 7649^2 + 3087^2 .

It is not an unprimeable number, because it can be changed into a prime (68036779) 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, 34101 + ... + 36040.

Almost surely, 268036770 is an apocalyptic number.

68036770 is a deficient number, since it is larger than the sum of its proper divisors (55693718).

68036770 is a wasteful number, since it uses less digits than its factorization.

68036770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70245.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 68036770 is about 8248.4404586564. The cubic root of 68036770 is about 408.2390667675.

The spelling of 68036770 in words is "sixty-eight million, thirty-six thousand, seven hundred seventy".

Divisors: 1 2 5 10 97 194 485 970 70141 140282 350705 701410 6803677 13607354 34018385 68036770