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68029153 is a prime number
BaseRepresentation
bin1000000111000…
…00101011100001
311202000020110021
410003200223201
5114403413103
610430033441
71454144503
oct403405341
9152006407
1068029153
1135445345
121a948881
131112b74a
14906bd73
155e8bbbd
hex40e0ae1

68029153 has 2 divisors, whose sum is σ = 68029154. Its totient is φ = 68029152.

The previous prime is 68029141. The next prime is 68029237. The reversal of 68029153 is 35192086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 31945104 = 6007^2 + 5652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68029153 is a prime.

It is not a weakly prime, because it can be changed into another prime (68029103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34014576 + 34014577.

It is an arithmetic number, because the mean of its divisors is an integer number (34014577).

Almost surely, 268029153 is an apocalyptic number.

It is an amenable number.

68029153 is a deficient number, since it is larger than the sum of its proper divisors (1).

68029153 is an equidigital number, since it uses as much as digits as its factorization.

68029153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 68029153 is about 8247.9787220870. The cubic root of 68029153 is about 408.2238315106.

The spelling of 68029153 in words is "sixty-eight million, twenty-nine thousand, one hundred fifty-three".