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201092641 = 299417369
BaseRepresentation
bin10111111110001…
…10111000100001
3112000101120020121
423333012320201
5402434431031
631542040241
74661154631
oct1377067041
9460346217
10201092641
11a3569972
1257419081
133287a739
141c9c86c1
15129c3011
hexbfc6e21

201092641 has 8 divisors (see below), whose sum is σ = 208276200. Its totient is φ = 193925760.

The previous prime is 201092627. The next prime is 201092651. The reversal of 201092641 is 146290102.

It can be written as a sum of positive squares in 4 ways, for example, as 87030241 + 114062400 = 9329^2 + 10680^2 .

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 201092641 - 217 = 200961569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201092651) 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, 23605 + ... + 30973.

It is an arithmetic number, because the mean of its divisors is an integer number (26034525).

Almost surely, 2201092641 is an apocalyptic number.

It is an amenable number.

201092641 is a deficient number, since it is larger than the sum of its proper divisors (7183559).

201092641 is an equidigital number, since it uses as much as digits as its factorization.

201092641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 201092641 is about 14180.7136985414. The cubic root of 201092641 is about 585.8665813512.

The spelling of 201092641 in words is "two hundred one million, ninety-two thousand, six hundred forty-one".

Divisors: 1 29 941 7369 27289 213701 6934229 201092641