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2291448601 = 132944913537
BaseRepresentation
bin1000100010010100…
…1011101100011001
312220200202122112201
42020211023230121
514143102323401
61015213410201
7110532664111
oct21045135431
95820678481
102291448601
11a76510282
1253b499961
132a696ca60
1417a484041
15d6282b01
hex8894bb19

2291448601 has 16 divisors (see below), whose sum is σ = 2558682000. Its totient is φ = 2037547008.

The previous prime is 2291448563. The next prime is 2291448613. The reversal of 2291448601 is 1068441922.

It can be written as a sum of positive squares in 8 ways, for example, as 80192025 + 2211256576 = 8955^2 + 47024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291448601 - 219 = 2290924313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291448671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162505 + ... + 176041.

It is an arithmetic number, because the mean of its divisors is an integer number (159917625).

Almost surely, 22291448601 is an apocalyptic number.

It is an amenable number.

2291448601 is a deficient number, since it is larger than the sum of its proper divisors (267233399).

2291448601 is a wasteful number, since it uses less digits than its factorization.

2291448601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2291448601 is about 47869.0777120262. The cubic root of 2291448601 is about 1318.3681627429.

The spelling of 2291448601 in words is "two billion, two hundred ninety-one million, four hundred forty-eight thousand, six hundred one".

Divisors: 1 13 29 377 449 5837 13021 13537 169273 175981 392573 5103449 6078113 79015469 176265277 2291448601