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406474848 = 2535134021
BaseRepresentation
bin11000001110100…
…101000001100000
31001022212001200000
4120032211001200
51313024143343
6104200100000
713033656603
oct3016450140
91038761600
10406474848
1119949862a
12b4164600
136629a780
143bdac33a
1525a41ed3
hex183a5060

406474848 has 144 divisors (see below), whose sum is σ = 1291255056. Its totient is φ = 125038080.

The previous prime is 406474819. The next prime is 406474889. The reversal of 406474848 is 848474604.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

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, 99078 + ... + 103098.

It is an arithmetic number, because the mean of its divisors is an integer number (8967049).

Almost surely, 2406474848 is an apocalyptic number.

406474848 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 406474848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645627528).

406474848 is an abundant number, since it is smaller than the sum of its proper divisors (884780208).

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

406474848 is a wasteful number, since it uses less digits than its factorization.

406474848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059 (or 4039 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 406474848 is about 20161.2213915725. The cubic root of 406474848 is about 740.7606301198.

The spelling of 406474848 in words is "four hundred six million, four hundred seventy-four thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 208 216 234 243 288 312 324 351 416 432 468 486 624 648 702 864 936 972 1053 1248 1296 1404 1872 1944 2106 2592 2808 3159 3744 3888 4021 4212 5616 6318 7776 8042 8424 11232 12063 12636 16084 16848 24126 25272 32168 33696 36189 48252 50544 52273 64336 72378 96504 101088 104546 108567 128672 144756 156819 193008 209092 217134 289512 313638 325701 386016 418184 434268 470457 579024 627276 651402 836368 868536 940914 977103 1158048 1254552 1302804 1411371 1672736 1737072 1881828 1954206 2509104 2605608 2822742 3474144 3763656 3908412 4234113 5018208 5211216 5645484 7527312 7816824 8468226 10422432 11290968 12702339 15054624 15633648 16936452 22581936 25404678 31267296 33872904 45163872 50809356 67745808 101618712 135491616 203237424 406474848