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8066500 = 2253131773
BaseRepresentation
bin11110110001010111000100
3120011211011021
4132301113010
54031112000
6444520524
7125364331
oct36612704
916154137
108066500
11460a532
122850144
1318957a0
1410dd988
15a9511a
hex7b15c4

8066500 has 96 divisors (see below), whose sum is σ = 20363616. Its totient is φ = 2764800.

The previous prime is 8066497. The next prime is 8066501. The reversal of 8066500 is 56608.

It can be written as a sum of positive squares in 16 ways, for example, as 5798464 + 2268036 = 2408^2 + 1506^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (8066501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110464 + ... + 110536.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

Almost surely, 28066500 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 8066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10181808).

8066500 is an abundant number, since it is smaller than the sum of its proper divisors (12297116).

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

8066500 is a wasteful number, since it uses less digits than its factorization.

8066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 8066500 is about 2840.1584462843. The cubic root of 8066500 is about 200.5526382152.

The spelling of 8066500 in words is "eight million, sixty-six thousand, five hundred".

Divisors: 1 2 4 5 10 13 17 20 25 26 34 50 52 65 68 73 85 100 125 130 146 170 221 250 260 292 325 340 365 425 442 500 650 730 850 884 949 1105 1241 1300 1460 1625 1700 1825 1898 2125 2210 2482 3250 3650 3796 4250 4420 4745 4964 5525 6205 6500 7300 8500 9125 9490 11050 12410 16133 18250 18980 22100 23725 24820 27625 31025 32266 36500 47450 55250 62050 64532 80665 94900 110500 118625 124100 155125 161330 237250 310250 322660 403325 474500 620500 806650 1613300 2016625 4033250 8066500