Search a number
-
+
68552633 is a prime number
BaseRepresentation
bin1000001011000…
…00011110111001
311202222211112102
410011200132321
5120022141013
610445153145
71461454622
oct405403671
9152884472
1068552633
1135772676
121ab5b7b5
1311282ab6
149166a49
156041d58
hex41607b9

68552633 has 2 divisors, whose sum is σ = 68552634. Its totient is φ = 68552632.

The previous prime is 68552623. The next prime is 68552647. The reversal of 68552633 is 33625586.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 28761769 = 6308^2 + 5363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68552633 is a prime.

It is not a weakly prime, because it can be changed into another prime (68552623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34276316 + 34276317.

It is an arithmetic number, because the mean of its divisors is an integer number (34276317).

Almost surely, 268552633 is an apocalyptic number.

It is an amenable number.

68552633 is a deficient number, since it is larger than the sum of its proper divisors (1).

68552633 is an equidigital number, since it uses as much as digits as its factorization.

68552633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 68552633 is about 8279.6517438839. The cubic root of 68552633 is about 409.2682426436.

The spelling of 68552633 in words is "sixty-eight million, five hundred fifty-two thousand, six hundred thirty-three".