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68210801 = 232965687
BaseRepresentation
bin1000001000011…
…01000001110001
311202100110121222
410010031001301
5114430221201
610433554425
71455532211
oct404150161
9152313558
1068210801
113555986a
121aa15a15
1311193329
1490b8241
155ec591b
hex410d071

68210801 has 4 divisors (see below), whose sum is σ = 71176512. Its totient is φ = 65245092.

The previous prime is 68210797. The next prime is 68210803. The reversal of 68210801 is 10801286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68210801 - 22 = 68210797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68210803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482821 + ... + 1482866.

It is an arithmetic number, because the mean of its divisors is an integer number (17794128).

Almost surely, 268210801 is an apocalyptic number.

It is an amenable number.

68210801 is a deficient number, since it is larger than the sum of its proper divisors (2965711).

68210801 is a wasteful number, since it uses less digits than its factorization.

68210801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965710.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 68210801 is about 8258.9830487779. The cubic root of 68210801 is about 408.5868481346.

The spelling of 68210801 in words is "sixty-eight million, two hundred ten thousand, eight hundred one".

Divisors: 1 23 2965687 68210801