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8130060 = 2232531247
BaseRepresentation
bin11111000000111000001100
3120022001100100
4133000320030
54040130220
6450131100
7126050541
oct37007014
916261310
108130060
114653264
122880a90
1318b86b3
141118bc8
15aa8d90
hex7c0e0c

8130060 has 108 divisors (see below), whose sum is σ = 26024544. Its totient is φ = 2053440.

The previous prime is 8130007. The next prime is 8130071. The reversal of 8130060 is 600318.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 172957 + ... + 173003.

It is an arithmetic number, because the mean of its divisors is an integer number (240968).

Almost surely, 28130060 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 8130060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13012272).

8130060 is an abundant number, since it is smaller than the sum of its proper divisors (17894484).

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

8130060 is a wasteful number, since it uses less digits than its factorization.

8130060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 8130060 is about 2851.3260073166. The cubic root of 8130060 is about 201.0780123406.

Adding to 8130060 its reverse (600318), we get a palindrome (8730378).

The spelling of 8130060 in words is "eight million, one hundred thirty thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 47 60 62 90 93 94 124 141 155 180 186 188 235 279 282 310 372 423 465 470 558 564 620 705 846 930 940 961 1116 1395 1410 1457 1692 1860 1922 2115 2790 2820 2883 2914 3844 4230 4371 4805 5580 5766 5828 7285 8460 8649 8742 9610 11532 13113 14415 14570 17298 17484 19220 21855 26226 28830 29140 34596 43245 43710 45167 52452 57660 65565 86490 87420 90334 131130 135501 172980 180668 225835 262260 271002 406503 451670 542004 677505 813006 903340 1355010 1626012 2032515 2710020 4065030 8130060