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30970060 = 22511140773
BaseRepresentation
bin111011000100…
…1000011001100
32011021102221021
41312021003030
530412020220
63023443524
7524145502
oct166110314
964242837
1030970060
11165332a0
12a4565a4
1365546a4
144182672
152abb4aa
hex1d890cc

30970060 has 24 divisors (see below), whose sum is σ = 70950096. Its totient is φ = 11261760.

The previous prime is 30970033. The next prime is 30970081. The reversal of 30970060 is 6007903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70167 + ... + 70606.

It is an arithmetic number, because the mean of its divisors is an integer number (2956254).

Almost surely, 230970060 is an apocalyptic number.

It is an amenable number.

30970060 is an abundant number, since it is smaller than the sum of its proper divisors (39980036).

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

30970060 is a wasteful number, since it uses less digits than its factorization.

30970060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140793 (or 140791 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30970060 is about 5565.0750219561. The cubic root of 30970060 is about 314.0369004736.

Adding to 30970060 its reverse (6007903), we get a palindrome (36977963).

The spelling of 30970060 in words is "thirty million, nine hundred seventy thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 140773 281546 563092 703865 1407730 1548503 2815460 3097006 6194012 7742515 15485030 30970060