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68970457 is a prime number
BaseRepresentation
bin1000001110001…
…10011111011001
311210210001200101
410013012133121
5120124023312
610502135401
71465145023
oct407063731
9153701611
1068970457
1135a28586
121b121561
131139b02a
149235013
1560c5a57
hex41c67d9

68970457 has 2 divisors, whose sum is σ = 68970458. Its totient is φ = 68970456.

The previous prime is 68970431. The next prime is 68970463. The reversal of 68970457 is 75407986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 26512201 = 6516^2 + 5149^2 .

It is a cyclic number.

It is not a de Polignac number, because 68970457 - 27 = 68970329 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34485228 + 34485229.

It is an arithmetic number, because the mean of its divisors is an integer number (34485229).

Almost surely, 268970457 is an apocalyptic number.

It is an amenable number.

68970457 is a deficient number, since it is larger than the sum of its proper divisors (1).

68970457 is an equidigital number, since it uses as much as digits as its factorization.

68970457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 68970457 is about 8304.8453929017. The cubic root of 68970457 is about 410.0980471441.

The spelling of 68970457 in words is "sixty-eight million, nine hundred seventy thousand, four hundred fifty-seven".