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60002081 = 314394409
BaseRepresentation
bin1110010011100…
…0111100100001
311011220102101022
43210320330201
5110330031311
65542015225
71326003116
oct344707441
9134812338
1060002081
11309624a7
1218117515
13c57abb9
147d7c90d
1554035db
hex3938f21

60002081 has 8 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 57921120.

The previous prime is 60002023. The next prime is 60002113. The reversal of 60002081 is 18020006.

60002081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60002081 - 26 = 60002017 is a prime.

It is a super-2 number, since 2×600020812 = 7200499448661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11405 + ... + 15813.

It is an arithmetic number, because the mean of its divisors is an integer number (7761600).

Almost surely, 260002081 is an apocalyptic number.

It is an amenable number.

60002081 is a deficient number, since it is larger than the sum of its proper divisors (2090719).

60002081 is a wasteful number, since it uses less digits than its factorization.

60002081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 60002081 is about 7746.1010192225. The cubic root of 60002081 is about 391.4912900865.

Adding to 60002081 its reverse (18020006), we get a palindrome (78022087).

The spelling of 60002081 in words is "sixty million, two thousand, eighty-one".

Divisors: 1 31 439 4409 13609 136679 1935551 60002081