Search a number
-
+
68610097 = 4159113251
BaseRepresentation
bin1000001011011…
…10100000110001
311210002202100201
410011232200301
5120031010342
610450315201
71462114303
oct405564061
9153082321
1068610097
1135801866
121ab88b01
13112a2cba
14917d973
156053db7
hex416e831

68610097 has 16 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 64960000.

The previous prime is 68610089. The next prime is 68610107. The reversal of 68610097 is 79001686.

It is a cyclic number.

It is not a de Polignac number, because 68610097 - 23 = 68610089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68610067) 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 15 ways as a sum of consecutive naturals, for example, 273222 + ... + 273472.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 268610097 is an apocalyptic number.

It is an amenable number.

68610097 is a deficient number, since it is larger than the sum of its proper divisors (3784463).

68610097 is a wasteful number, since it uses less digits than its factorization.

68610097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 68610097 is about 8283.1212112343. The cubic root of 68610097 is about 409.3825665870.

The spelling of 68610097 in words is "sixty-eight million, six hundred ten thousand, ninety-seven".

Divisors: 1 41 59 113 251 2419 4633 6667 10291 14809 28363 273347 607169 1162883 1673417 68610097