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2589220221 = 3732516249
BaseRepresentation
bin1001101001010100…
…0101110101111101
320200110002000102020
42122111011311331
520300320021341
61104531550353
7121110003000
oct23225056575
96613060366
102589220221
111109602525
1260315b3b9
1332356a493
141a7c37537
151024a1566
hex9a545d7d

2589220221 has 16 divisors (see below), whose sum is σ = 4026000000. Its totient is φ = 1479553824.

The previous prime is 2589220201. The next prime is 2589220229. The reversal of 2589220221 is 1220229852.

It is not a de Polignac number, because 2589220221 - 213 = 2589212029 is a prime.

It is a super-2 number, since 2×25892202212 = 13408122705670577682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589220229) 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, 1257096 + ... + 1259153.

It is an arithmetic number, because the mean of its divisors is an integer number (251625000).

Almost surely, 22589220221 is an apocalyptic number.

2589220221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2589220221 is a deficient number, since it is larger than the sum of its proper divisors (1436779779).

2589220221 is an equidigital number, since it uses as much as digits as its factorization.

2589220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516273 (or 2516259 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2589220221 is about 50884.3809139897. The cubic root of 2589220221 is about 1373.1658579133.

The spelling of 2589220221 in words is "two billion, five hundred eighty-nine million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49 147 343 1029 2516249 7548747 17613743 52841229 123296201 369888603 863073407 2589220221