Search a number
-
+
68202663 = 327782073
BaseRepresentation
bin1000001000010…
…11000010100111
311202100001110120
410010023002213
5114424441123
610433453023
71455466404
oct404130247
9152301416
1068202663
1135553741
121aa11173
131118c709
1490b52ab
155ec32e3
hex410b0a7

68202663 has 8 divisors (see below), whose sum is σ = 91266288. Its totient is φ = 45303744.

The previous prime is 68202653. The next prime is 68202703. The reversal of 68202663 is 36620286.

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

It is not a de Polignac number, because 68202663 - 216 = 68137127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68202653) 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, 40206 + ... + 41867.

It is an arithmetic number, because the mean of its divisors is an integer number (11408286).

Almost surely, 268202663 is an apocalyptic number.

68202663 is a deficient number, since it is larger than the sum of its proper divisors (23063625).

68202663 is a wasteful number, since it uses less digits than its factorization.

68202663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82353.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 68202663 is about 8258.4903584130. The cubic root of 68202663 is about 408.5705984500.

The spelling of 68202663 in words is "sixty-eight million, two hundred two thousand, six hundred sixty-three".

Divisors: 1 3 277 831 82073 246219 22734221 68202663