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68953847 is a prime number
BaseRepresentation
bin1000001110000…
…10011011110111
311210202012220012
410013002123313
5120123010342
610501530435
71465045424
oct407023367
9153665805
1068953847
1135a17056
121b113a1b
13113935c1
14922cd4b
1560c0b82
hex41c26f7

68953847 has 2 divisors, whose sum is σ = 68953848. Its totient is φ = 68953846.

The previous prime is 68953837. The next prime is 68953849. The reversal of 68953847 is 74835986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68953847 - 210 = 68952823 is a prime.

Together with 68953849, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68953795 and 68953804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68953849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34476923 + 34476924.

It is an arithmetic number, because the mean of its divisors is an integer number (34476924).

Almost surely, 268953847 is an apocalyptic number.

68953847 is a deficient number, since it is larger than the sum of its proper divisors (1).

68953847 is an equidigital number, since it uses as much as digits as its factorization.

68953847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 68953847 is about 8303.8453140699. The cubic root of 68953847 is about 410.0651235043.

The spelling of 68953847 in words is "sixty-eight million, nine hundred fifty-three thousand, eight hundred forty-seven".