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23770897 is a prime number
BaseRepresentation
bin101101010101…
…1011100010001
31122201200112121
41122223130101
522041132042
62205254241
7406022623
oct132533421
948650477
1023770897
1112466477
127b64381
134c03927
14322ac13
152148367
hex16ab711

23770897 has 2 divisors, whose sum is σ = 23770898. Its totient is φ = 23770896.

The previous prime is 23770889. The next prime is 23770927. The reversal of 23770897 is 79807732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 817216 = 4791^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 23770897 - 23 = 23770889 is a prime.

It is not a weakly prime, because it can be changed into another prime (23770837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11885448 + 11885449.

It is an arithmetic number, because the mean of its divisors is an integer number (11885449).

Almost surely, 223770897 is an apocalyptic number.

It is an amenable number.

23770897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23770897 is an equidigital number, since it uses as much as digits as its factorization.

23770897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 23770897 is about 4875.5406879648. The cubic root of 23770897 is about 287.5291342876.

The spelling of 23770897 in words is "twenty-three million, seven hundred seventy thousand, eight hundred ninety-seven".