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68470033 = 1719872027
BaseRepresentation
bin1000001010011…
…00010100010001
311202211122020011
410011030110101
5120012020113
610443314521
71460662042
oct405142421
9152748204
1068470033
1135716605
121ab1ba41
1311254318
1491448c9
15602763d
hex414c511

68470033 has 8 divisors (see below), whose sum is σ = 72569952. Its totient is φ = 64378176.

The previous prime is 68470027. The next prime is 68470037. The reversal of 68470033 is 33007486.

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 68470033 - 25 = 68470001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68469977 and 68470004.

It is not an unprimeable number, because it can be changed into a prime (68470037) 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, 32766 + ... + 34792.

It is an arithmetic number, because the mean of its divisors is an integer number (9071244).

Almost surely, 268470033 is an apocalyptic number.

It is an amenable number.

68470033 is a deficient number, since it is larger than the sum of its proper divisors (4099919).

68470033 is a wasteful number, since it uses less digits than its factorization.

68470033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 68470033 is about 8274.6621079051. The cubic root of 68470033 is about 409.1037989549.

The spelling of 68470033 in words is "sixty-eight million, four hundred seventy thousand, thirty-three".

Divisors: 1 17 1987 2027 33779 34459 4027649 68470033