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68702033 = 1313671429
BaseRepresentation
bin1000001100001…
…00111101010001
311210021102110202
410012010331101
5120041431113
610452304545
71462646321
oct406047521
9153242422
1068702033
1135864944
121b012155
1311305aba
1491a5281
156071258
hex4184f51

68702033 has 8 divisors (see below), whose sum is σ = 69463680. Its totient is φ = 67944240.

The previous prime is 68702027. The next prime is 68702057. The reversal of 68702033 is 33020786.

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

It is a cyclic number.

It is not a de Polignac number, because 68702033 - 214 = 68685649 is a prime.

It is a super-4 number, since 4×687020334 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68701987 and 68702005.

It is not an unprimeable number, because it can be changed into a prime (68702833) 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 7 ways as a sum of consecutive naturals, for example, 47363 + ... + 48791.

It is an arithmetic number, because the mean of its divisors is an integer number (8682960).

Almost surely, 268702033 is an apocalyptic number.

It is an amenable number.

68702033 is a deficient number, since it is larger than the sum of its proper divisors (761647).

68702033 is a wasteful number, since it uses less digits than its factorization.

68702033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 68702033 is about 8288.6689522504. The cubic root of 68702033 is about 409.5653394775.

The spelling of 68702033 in words is "sixty-eight million, seven hundred two thousand, thirty-three".

Divisors: 1 131 367 1429 48077 187199 524443 68702033