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634084080 = 24357571661
BaseRepresentation
bin100101110010110…
…101101011110000
31122012010210211120
4211302311223300
52244311142310
6142530342240
721466424430
oct4562655360
91565123746
10634084080
112a5a18833
1215842a980
13a14a07a6
14602da2c0
153aa01b70
hex25cb5af0

634084080 has 160 divisors (see below), whose sum is σ = 2253808128. Its totient is φ = 144460800.

The previous prime is 634084067. The next prime is 634084091. The reversal of 634084080 is 80480436.

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, 958950 + ... + 959610.

Almost surely, 2634084080 is an apocalyptic number.

634084080 is a gapful number since it is divisible by the number (60) 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 634084080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126904064).

634084080 is an abundant number, since it is smaller than the sum of its proper divisors (1619724048).

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

634084080 is a wasteful number, since it uses less digits than its factorization.

634084080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 634084080 is about 25181.0261903680. The cubic root of 634084080 is about 859.1103473413.

The spelling of 634084080 in words is "six hundred thirty-four million, eighty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 571 661 840 1142 1322 1680 1713 1983 2284 2644 2855 3305 3426 3966 3997 4568 4627 5288 5710 6610 6852 7932 7994 8565 9136 9254 9915 10576 11420 11991 13220 13704 13881 15864 15988 17130 18508 19830 19985 22840 23135 23982 26440 27408 27762 31728 31976 34260 37016 39660 39970 45680 46270 47964 52880 55524 59955 63952 68520 69405 74032 79320 79940 92540 95928 111048 119910 137040 138810 158640 159880 185080 191856 222096 239820 277620 319760 370160 377431 479640 555240 754862 959280 1110480 1132293 1509724 1887155 2264586 2642017 3019448 3774310 4529172 5284034 5661465 6038896 7548620 7926051 9058344 10568068 11322930 13210085 15097240 15852102 18116688 21136136 22645860 26420170 30194480 31704204 39630255 42272272 45291720 52840340 63408408 79260510 90583440 105680680 126816816 158521020 211361360 317042040 634084080