Search a number
-
+
290980080 = 243351071259
BaseRepresentation
bin10001010110000…
…000000011110000
3202021112022122000
4101112000003300
51043442330310
644512414000
710132201266
oct2126000360
9667468560
10290980080
1113a283706
1281547300
1348390381
142a906436
151a82b4c0
hex115800f0

290980080 has 160 divisors (see below), whose sum is σ = 1012435200. Its totient is φ = 76808448.

The previous prime is 290980057. The next prime is 290980127. The reversal of 290980080 is 80089092.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230491 + ... + 231749.

It is an arithmetic number, because the mean of its divisors is an integer number (6327720).

Almost surely, 2290980080 is an apocalyptic number.

290980080 is a gapful number since it is divisible by the number (20) 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 290980080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506217600).

290980080 is an abundant number, since it is smaller than the sum of its proper divisors (721455120).

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

290980080 is a wasteful number, since it uses less digits than its factorization.

290980080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 290980080 is about 17058.1382336995. The cubic root of 290980080 is about 662.6554176728.

The spelling of 290980080 in words is "two hundred ninety million, nine hundred eighty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 107 108 120 135 144 180 214 216 240 270 321 360 428 432 535 540 642 720 856 963 1070 1080 1259 1284 1605 1712 1926 2140 2160 2518 2568 2889 3210 3777 3852 4280 4815 5036 5136 5778 6295 6420 7554 7704 8560 9630 10072 11331 11556 12590 12840 14445 15108 15408 18885 19260 20144 22662 23112 25180 25680 28890 30216 33993 37770 38520 45324 46224 50360 56655 57780 60432 67986 75540 77040 90648 100720 113310 115560 134713 135972 151080 169965 181296 226620 231120 269426 271944 302160 339930 404139 453240 538852 543888 673565 679860 808278 906480 1077704 1212417 1347130 1359720 1616556 2020695 2155408 2424834 2694260 2719440 3233112 3637251 4041390 4849668 5388520 6062085 6466224 7274502 8082780 9699336 10777040 12124170 14549004 16165560 18186255 19398672 24248340 29098008 32331120 36372510 48496680 58196016 72745020 96993360 145490040 290980080