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2002580997 = 32331936223
BaseRepresentation
bin111011101011100…
…1111011000000101
312011120012122200120
41313113033120011
513100130042442
6530414132153
7100424441364
oct16727173005
95146178616
102002580997
1193844a81a
1247a7b1059
1325bb6c091
1414dd6b7db
15bac224ec
hex775cf605

2002580997 has 16 divisors (see below), whose sum is σ = 2876080128. Its totient is φ = 1235813040.

The previous prime is 2002580989. The next prime is 2002581013. The reversal of 2002580997 is 7990852002.

It is not a de Polignac number, because 2002580997 - 23 = 2002580989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002580597) 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, 465973 + ... + 470250.

It is an arithmetic number, because the mean of its divisors is an integer number (179755008).

Almost surely, 22002580997 is an apocalyptic number.

It is an amenable number.

2002580997 is a deficient number, since it is larger than the sum of its proper divisors (873499131).

2002580997 is a wasteful number, since it uses less digits than its factorization.

2002580997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936280.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 2002580997 is about 44750.2066699138. The cubic root of 2002580997 is about 1260.4627923307.

The spelling of 2002580997 in words is "two billion, two million, five hundred eighty thousand, nine hundred ninety-seven".

Divisors: 1 3 23 31 69 93 713 2139 936223 2808669 21533129 29022913 64599387 87068739 667526999 2002580997