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68074233 = 331731981
BaseRepresentation
bin1000000111010…
…11101011111001
311202002112021220
410003223223321
5114411333413
610431022253
71454423103
oct403535371
9152075256
1068074233
11354761a7
121a96a989
1311146116
149080573
155e9a223
hex40ebaf9

68074233 has 8 divisors (see below), whose sum is σ = 93693696. Its totient is φ = 43918800.

The previous prime is 68074229. The next prime is 68074261. The reversal of 68074233 is 33247086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68074233 - 22 = 68074229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68074194 and 68074203.

It is not an unprimeable number, because it can be changed into a prime (68074933) 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, 365898 + ... + 366083.

It is an arithmetic number, because the mean of its divisors is an integer number (11711712).

Almost surely, 268074233 is an apocalyptic number.

It is an amenable number.

68074233 is a deficient number, since it is larger than the sum of its proper divisors (25619463).

68074233 is a wasteful number, since it uses less digits than its factorization.

68074233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732015.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 68074233 is about 8250.7110602663. The cubic root of 68074233 is about 408.3139824047.

The spelling of 68074233 in words is "sixty-eight million, seventy-four thousand, two hundred thirty-three".

Divisors: 1 3 31 93 731981 2195943 22691411 68074233