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442641060 = 223254575381
BaseRepresentation
bin11010011000100…
…010101010100100
31010211220111101100
4122120202222210
51401304003220
6111531200100
713653246501
oct3230425244
91124814340
10442641060
1120794a864
121042a6030
13709212b4
1442b044a8
1528cd7d90
hex1a622aa4

442641060 has 72 divisors (see below), whose sum is σ = 1345865976. Its totient is φ = 117757440.

The previous prime is 442641037. The next prime is 442641083. The reversal of 442641060 is 60146244.

It is an interprime number because it is at equal distance from previous prime (442641037) and next prime (442641083).

It can be written as a sum of positive squares in 4 ways, for example, as 79281216 + 363359844 = 8904^2 + 19062^2 .

It is a super-2 number, since 2×4426410602 = 391862215995847200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79570 + ... + 84950.

It is an arithmetic number, because the mean of its divisors is an integer number (18692583).

Almost surely, 2442641060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442641060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672932988).

442641060 is an abundant number, since it is smaller than the sum of its proper divisors (903224916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442641060 is a wasteful number, since it uses less digits than its factorization.

442641060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 442641060 is about 21039.0365749005. The cubic root of 442641060 is about 762.1092492212.

The spelling of 442641060 in words is "four hundred forty-two million, six hundred forty-one thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 457 914 1371 1828 2285 2742 4113 4570 5381 5484 6855 8226 9140 10762 13710 16143 16452 20565 21524 26905 27420 32286 41130 48429 53810 64572 80715 82260 96858 107620 161430 193716 242145 322860 484290 968580 2459117 4918234 7377351 9836468 12295585 14754702 22132053 24591170 29509404 36886755 44264106 49182340 73773510 88528212 110660265 147547020 221320530 442641060