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19297601 = 172294957
BaseRepresentation
bin100100110011…
…1010101000001
31100022102022222
41021213111001
514420010401
61525340425
7323012141
oct111472501
940272288
1019297601
11a990634
126567715
133cc87cb
1427c4921
151a62c1b
hex1267541

19297601 has 8 divisors (see below), whose sum is σ = 20526120. Its totient is φ = 18079488.

The previous prime is 19297561. The next prime is 19297637. The reversal of 19297601 is 10679291.

It can be written as a sum of positive squares in 4 ways, for example, as 13542400 + 5755201 = 3680^2 + 2399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19297601 - 214 = 19281217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19297651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (2565765).

Almost surely, 219297601 is an apocalyptic number.

It is an amenable number.

19297601 is a deficient number, since it is larger than the sum of its proper divisors (1228519).

19297601 is a wasteful number, since it uses less digits than its factorization.

19297601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 19297601 is about 4392.9034817533. The cubic root of 19297601 is about 268.2261447923.

The spelling of 19297601 in words is "nineteen million, two hundred ninety-seven thousand, six hundred one".

Divisors: 1 17 229 3893 4957 84269 1135153 19297601