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68203627 = 314746811
BaseRepresentation
bin1000001000010…
…11010001101011
311202100002210021
410010023101223
5114430004002
610433501311
71455502252
oct404132153
9152302707
1068203627
1135554438
121aa11837
131118cc9b
1490b5799
155ec3737
hex410b46b

68203627 has 8 divisors (see below), whose sum is σ = 71903232. Its totient is φ = 64597800.

The previous prime is 68203607. The next prime is 68203631. The reversal of 68203627 is 72630286.

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

It is a de Polignac number, because none of the positive numbers 2k-68203627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68203592 and 68203601.

It is not an unprimeable number, because it can be changed into a prime (68203607) 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, 21949 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (8987904).

Almost surely, 268203627 is an apocalyptic number.

68203627 is a deficient number, since it is larger than the sum of its proper divisors (3699605).

68203627 is a wasteful number, since it uses less digits than its factorization.

68203627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46889.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68203627 is about 8258.5487223846. The cubic root of 68203627 is about 408.5725234002.

The spelling of 68203627 in words is "sixty-eight million, two hundred three thousand, six hundred twenty-seven".

Divisors: 1 31 47 1457 46811 1451141 2200117 68203627