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24500081 is a prime number
BaseRepresentation
bin101110101110…
…1011101110001
31201002201210102
41131131131301
522233000311
62233042145
7415150544
oct135353561
951081712
1024500081
1112914301
128256355
1350ca7b8
14337a85b
15223e43b
hex175d771

24500081 has 2 divisors, whose sum is σ = 24500082. Its totient is φ = 24500080.

The previous prime is 24500059. The next prime is 24500089. The reversal of 24500081 is 18000542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12666481 + 11833600 = 3559^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 24500081 - 26 = 24500017 is a prime.

It is a super-2 number, since 2×245000812 = 1200507938013122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24500089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12250040 + 12250041.

It is an arithmetic number, because the mean of its divisors is an integer number (12250041).

Almost surely, 224500081 is an apocalyptic number.

It is an amenable number.

24500081 is a deficient number, since it is larger than the sum of its proper divisors (1).

24500081 is an equidigital number, since it uses as much as digits as its factorization.

24500081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 24500081 is about 4949.7556505347. The cubic root of 24500081 is about 290.4396067538.

The spelling of 24500081 in words is "twenty-four million, five hundred thousand, eighty-one".