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351668304 = 24341320873
BaseRepresentation
bin10100111101100…
…000100001010000
3220111201121020000
4110331200201100
51210011341204
654521250000
711500063011
oct2475404120
9814647200
10351668304
11170564669
1299933900
1357b1b670
14349c3008
1520d18039
hex14f60850

351668304 has 100 divisors (see below), whose sum is σ = 1096177236. Its totient is φ = 108200448.

The previous prime is 351668293. The next prime is 351668329. The reversal of 351668304 is 403866153.

It can be written as a sum of positive squares in 2 ways, for example, as 81000000 + 270668304 = 9000^2 + 16452^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6412 + ... + 27284.

Almost surely, 2351668304 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 351668304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548088618).

351668304 is an abundant number, since it is smaller than the sum of its proper divisors (744508932).

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

351668304 is a wasteful number, since it uses less digits than its factorization.

351668304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20906 (or 20891 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 351668304 is about 18752.8212277513. The cubic root of 351668304 is about 705.8478166044.

The spelling of 351668304 in words is "three hundred fifty-one million, six hundred sixty-eight thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 144 156 162 208 216 234 312 324 351 432 468 624 648 702 936 1053 1296 1404 1872 2106 2808 4212 5616 8424 16848 20873 41746 62619 83492 125238 166984 187857 250476 271349 333968 375714 500952 542698 563571 751428 814047 1001904 1085396 1127142 1502856 1628094 1690713 2170792 2254284 2442141 3005712 3256188 3381426 4341584 4508568 4884282 6512376 6762852 7326423 9017136 9768564 13024752 13525704 14652846 19537128 21979269 27051408 29305692 39074256 43958538 58611384 87917076 117222768 175834152 351668304