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58002981 = 3179108013
BaseRepresentation
bin1101110101000…
…0111000100101
311001010212010120
43131100320211
5104322043411
65431112153
71303005621
oct335207045
9131125116
1058002981
112a817553
1217512659
13c02acba
1479bc181
15515b106
hex3750e25

58002981 has 8 divisors (see below), whose sum is σ = 77770080. Its totient is φ = 38452272.

The previous prime is 58002979. The next prime is 58002983. The reversal of 58002981 is 18920085.

It is a happy number.

58002981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (58002979) and next prime (58002983).

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

It is not a de Polignac number, because 58002981 - 21 = 58002979 is a prime.

It is a super-2 number, since 2×580029812 = 6728691609772722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58002983) 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, 53470 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (9721260).

Almost surely, 258002981 is an apocalyptic number.

It is an amenable number.

58002981 is a deficient number, since it is larger than the sum of its proper divisors (19767099).

58002981 is a wasteful number, since it uses less digits than its factorization.

58002981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108195.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 58002981 is about 7615.9688155874. The cubic root of 58002981 is about 387.0942956062.

The spelling of 58002981 in words is "fifty-eight million, two thousand, nine hundred eighty-one".

Divisors: 1 3 179 537 108013 324039 19334327 58002981