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9055001 = 19476579
BaseRepresentation
bin100010100010…
…101100011001
3122001001010102
4202202230121
54304230001
6522025145
7136652264
oct42425431
918031112
109055001
11512517a
1230481b5
131b506b7
1412b9cdb
15bdce6b
hex8a2b19

9055001 has 4 divisors (see below), whose sum is σ = 9531600. Its totient is φ = 8578404.

The previous prime is 9054979. The next prime is 9055003. The reversal of 9055001 is 1005509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1005509 = 1516659.

It is a cyclic number.

It is not a de Polignac number, because 9055001 - 26 = 9054937 is a prime.

It is a super-2 number, since 2×90550012 = 163986086220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9055003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238271 + ... + 238308.

It is an arithmetic number, because the mean of its divisors is an integer number (2382900).

Almost surely, 29055001 is an apocalyptic number.

It is an amenable number.

9055001 is a deficient number, since it is larger than the sum of its proper divisors (476599).

9055001 is a wasteful number, since it uses less digits than its factorization.

9055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476598.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 9055001 is about 3009.1528708259. The cubic root of 9055001 is about 208.4312505403.

The spelling of 9055001 in words is "nine million, fifty-five thousand, one".

Divisors: 1 19 476579 9055001