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68694301 = 1329257709
BaseRepresentation
bin1000001100000…
…11000100011101
311210021000212101
410012003010131
5120041204201
610452205101
71462614634
oct406030435
9153230771
1068694301
113585a055
121b009791
1311302420
1491a251b
15606dd01
hex418311d

68694301 has 16 divisors (see below), whose sum is σ = 76935600. Its totient is φ = 60899328.

The previous prime is 68694289. The next prime is 68694317. The reversal of 68694301 is 10349686.

It can be written as a sum of positive squares in 8 ways, for example, as 235225 + 68459076 = 485^2 + 8274^2 .

It is a cyclic number.

It is not a de Polignac number, because 68694301 - 213 = 68686109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68694341) 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, 96535 + ... + 97243.

It is an arithmetic number, because the mean of its divisors is an integer number (4808475).

Almost surely, 268694301 is an apocalyptic number.

It is an amenable number.

68694301 is a deficient number, since it is larger than the sum of its proper divisors (8241299).

68694301 is a wasteful number, since it uses less digits than its factorization.

68694301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68694301 is about 8288.2025192438. The cubic root of 68694301 is about 409.5499741971.

The spelling of 68694301 in words is "sixty-eight million, six hundred ninety-four thousand, three hundred one".

Divisors: 1 13 29 257 377 709 3341 7453 9217 20561 96889 182213 267293 2368769 5284177 68694301