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8065601 = 113137521
BaseRepresentation
bin11110110001001001000001
3120011202220222
4132301021001
54031044401
6444512425
7125361605
oct36611101
916152828
108065601
114609895
12284b715
13189525b
1410dd505
15a94c1b
hex7b1241

8065601 has 8 divisors (see below), whose sum is σ = 8212104. Its totient is φ = 7920640.

The previous prime is 8065583. The next prime is 8065613. The reversal of 8065601 is 1065608.

It is a Cunningham number, because it is equal to 28402+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 8065600 = 1^2 + 2840^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8065601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8065201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15221 + ... + 15741.

It is an arithmetic number, because the mean of its divisors is an integer number (1026513).

Almost surely, 28065601 is an apocalyptic number.

It is an amenable number.

8065601 is a deficient number, since it is larger than the sum of its proper divisors (146503).

8065601 is a wasteful number, since it uses less digits than its factorization.

8065601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 8065601 is about 2840.0001760563. Note that the first 3 decimals coincide. The cubic root of 8065601 is about 200.5451875026.

The spelling of 8065601 in words is "eight million, sixty-five thousand, six hundred one".

Divisors: 1 113 137 521 15481 58873 71377 8065601