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434481984 = 26327310333
BaseRepresentation
bin11001111001011…
…010101101000000
31010021112222020100
4121321122231000
51342211410414
6111040242400
713524015216
oct3171325500
91107488210
10434481984
11203287822
12101610400
136c025641
14419bccb6
1528225609
hex19e5ab40

434481984 has 84 divisors (see below), whose sum is σ = 1262546116. Its totient is φ = 142829568.

The previous prime is 434481977. The next prime is 434481997. The reversal of 434481984 is 489184434.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 149817600 = 16872^2 + 12240^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36882 + ... + 47214.

Almost surely, 2434481984 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 434481984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631273058).

434481984 is an abundant number, since it is smaller than the sum of its proper divisors (828064132).

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

434481984 is a wasteful number, since it uses less digits than its factorization.

434481984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424 (or 10411 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 434481984 is about 20844.2314322212. The cubic root of 434481984 is about 757.3975994638.

The spelling of 434481984 in words is "four hundred thirty-four million, four hundred eighty-one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 73 96 144 146 192 219 288 292 438 576 584 657 876 1168 1314 1752 2336 2628 3504 4672 5256 7008 10333 10512 14016 20666 21024 30999 41332 42048 61998 82664 92997 123996 165328 185994 247992 330656 371988 495984 661312 743976 754309 991968 1487952 1508618 1983936 2262927 2975904 3017236 4525854 5951808 6034472 6788781 9051708 12068944 13577562 18103416 24137888 27155124 36206832 48275776 54310248 72413664 108620496 144827328 217240992 434481984