Search a number
-
+
68215323 = 3112187921
BaseRepresentation
bin1000001000011…
…10001000011011
311202100200211110
410010032020123
5114430342243
610434031403
71455551331
oct404161033
9152320743
1068215323
1135562200
121aa18563
13111953c7
1490b9b51
155ec6e33
hex410e21b

68215323 has 12 divisors (see below), whose sum is σ = 99974504. Its totient is φ = 41342400.

The previous prime is 68215321. The next prime is 68215327. The reversal of 68215323 is 32351286.

It is not a de Polignac number, because 68215323 - 21 = 68215321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68215321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93598 + ... + 94323.

Almost surely, 268215323 is an apocalyptic number.

68215323 is a deficient number, since it is larger than the sum of its proper divisors (31759181).

68215323 is a wasteful number, since it uses less digits than its factorization.

68215323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187946 (or 187935 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 68215323 is about 8259.2568067593. The cubic root of 68215323 is about 408.5958769535.

The spelling of 68215323 in words is "sixty-eight million, two hundred fifteen thousand, three hundred twenty-three".

Divisors: 1 3 11 33 121 363 187921 563763 2067131 6201393 22738441 68215323