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60004981 = 208328807
BaseRepresentation
bin1110010011100…
…1101001110101
311011220120100201
43210321221311
5110330124411
65542040501
71326014431
oct344715165
9134816321
1060004981
11309646a3
1218119131
13c57c30a
147d7d9c1
1554043c1
hex3939a75

60004981 has 4 divisors (see below), whose sum is σ = 60035872. Its totient is φ = 59974092.

The previous prime is 60004979. The next prime is 60004991. The reversal of 60004981 is 18940006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60004981 - 21 = 60004979 is a prime.

It is a super-2 number, since 2×600049812 = 7201195489620722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60004961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12321 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (15008968).

Almost surely, 260004981 is an apocalyptic number.

It is an amenable number.

60004981 is a deficient number, since it is larger than the sum of its proper divisors (30891).

60004981 is a wasteful number, since it uses less digits than its factorization.

60004981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30890.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 60004981 is about 7746.2882079096. The cubic root of 60004981 is about 391.4975971259.

Adding to 60004981 its reverse (18940006), we get a palindrome (78944987).

The spelling of 60004981 in words is "sixty million, four thousand, nine hundred eighty-one".

Divisors: 1 2083 28807 60004981