Search a number
-
+
429887568 = 2431117471019
BaseRepresentation
bin11001100111111…
…001000001010000
31002221220112212210
4121213321001100
51340022400233
6110353552120
713436661345
oct3147710120
91087815783
10429887568
11200729990
12bbb75640
136b0a7356
14411447cc
1527b19163
hex199f9050

429887568 has 160 divisors (see below), whose sum is σ = 1311344640. Its totient is φ = 119879680.

The previous prime is 429887537. The next prime is 429887593. The reversal of 429887568 is 865788924.

It is a super-3 number, since 3×4298875683 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421363 + ... + 422381.

It is an arithmetic number, because the mean of its divisors is an integer number (8195904).

Almost surely, 2429887568 is an apocalyptic number.

429887568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429887568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655672320).

429887568 is an abundant number, since it is smaller than the sum of its proper divisors (881457072).

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

429887568 is a wasteful number, since it uses less digits than its factorization.

429887568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 429887568 is about 20733.7301998459. The cubic root of 429887568 is about 754.7184412752.

The spelling of 429887568 in words is "four hundred twenty-nine million, eight hundred eighty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 47 48 51 66 68 88 94 102 132 136 141 176 187 188 204 264 272 282 374 376 408 517 528 561 564 748 752 799 816 1019 1034 1122 1128 1496 1551 1598 2038 2068 2244 2256 2397 2992 3057 3102 3196 4076 4136 4488 4794 6114 6204 6392 8152 8272 8789 8976 9588 11209 12228 12408 12784 16304 17323 17578 19176 22418 24456 24816 26367 33627 34646 35156 38352 44836 47893 48912 51969 52734 67254 69292 70312 89672 95786 103938 105468 134508 138584 140624 143679 179344 190553 191572 207876 210936 269016 277168 287358 381106 383144 415752 421872 526823 538032 571659 574716 762212 766288 814181 831504 1053646 1143318 1149432 1524424 1580469 1628362 2107292 2286636 2298864 2442543 3048848 3160938 3256724 4214584 4573272 4885086 6321876 6513448 8429168 8955991 9146544 9770172 12643752 13026896 17911982 19540344 25287504 26867973 35823964 39080688 53735946 71647928 107471892 143295856 214943784 429887568