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8060868 = 2232312233
BaseRepresentation
bin11110101111111111000100
3120011112102200
4132233333010
54030421433
6444434500
7125342034
oct36577704
916145380
108060868
114606282
122848a30
13189305a
1410db8c4
15a93613
hex7affc4

8060868 has 54 divisors (see below), whose sum is σ = 21144942. Its totient is φ = 2589120.

The previous prime is 8060867. The next prime is 8060881. The reversal of 8060868 is 8680608.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 2214144 = 2418^2 + 1488^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8060861) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34480 + ... + 34712.

It is an arithmetic number, because the mean of its divisors is an integer number (391573).

Almost surely, 28060868 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 8060868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10572471).

8060868 is an abundant number, since it is smaller than the sum of its proper divisors (13084074).

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

8060868 is a wasteful number, since it uses less digits than its factorization.

8060868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 8060868 is about 2839.1667791801. The cubic root of 8060868 is about 200.5059523153.

The spelling of 8060868 in words is "eight million, sixty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 233 279 372 466 558 699 932 961 1116 1398 1922 2097 2796 2883 3844 4194 5766 7223 8388 8649 11532 14446 17298 21669 28892 34596 43338 65007 86676 130014 223913 260028 447826 671739 895652 1343478 2015217 2686956 4030434 8060868