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434216280 = 233553671019
BaseRepresentation
bin11001111000011…
…001110101011000
31010021001110202110
4121320121311120
51342124410110
6111030432320
713521530451
oct3170316530
91107043673
10434216280
11203116133
121015026a0
136bc61714
1441950128
15281c1a20
hex19e19d58

434216280 has 128 divisors (see below), whose sum is σ = 1348358400. Its totient is φ = 111800832.

The previous prime is 434216249. The next prime is 434216309. The reversal of 434216280 is 82612434.

It is a super-3 number, since 3×4342162803 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425611 + ... + 426629.

It is an arithmetic number, because the mean of its divisors is an integer number (10534050).

Almost surely, 2434216280 is an apocalyptic number.

434216280 is a gapful number since it is divisible by the number (40) 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 434216280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674179200).

434216280 is an abundant number, since it is smaller than the sum of its proper divisors (914142120).

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

434216280 is a wasteful number, since it uses less digits than its factorization.

434216280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 434216280 is about 20837.8568955639. The cubic root of 434216280 is about 757.2431744887.

The spelling of 434216280 in words is "four hundred thirty-four million, two hundred sixteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 53 60 67 106 120 134 159 201 212 265 268 318 335 402 424 530 536 636 670 795 804 1005 1019 1060 1272 1340 1590 1608 2010 2038 2120 2680 3057 3180 3551 4020 4076 5095 6114 6360 7102 8040 8152 10190 10653 12228 14204 15285 17755 20380 21306 24456 28408 30570 35510 40760 42612 53265 54007 61140 68273 71020 85224 106530 108014 122280 136546 142040 162021 204819 213060 216028 270035 273092 324042 341365 409638 426120 432056 540070 546184 648084 682730 810105 819276 1024095 1080140 1296168 1365460 1620210 1638552 2048190 2160280 2730920 3240420 3618469 4096380 6480840 7236938 8192760 10855407 14473876 18092345 21710814 28947752 36184690 43421628 54277035 72369380 86843256 108554070 144738760 217108140 434216280