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30161004 = 22323109279
BaseRepresentation
bin111001100001…
…1100001101100
32002202100010020
41303003201230
530210123004
62554242140
7514235646
oct163034154
962670106
1030161004
1116030455
12a126350
136330363
144011896
1529ab8d9
hex1cc386c

30161004 has 24 divisors (see below), whose sum is σ = 73436160. Its totient is φ = 9616464.

The previous prime is 30160969. The next prime is 30161011. The reversal of 30161004 is 40016103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54364 + ... + 54915.

It is an arithmetic number, because the mean of its divisors is an integer number (3059840).

Almost surely, 230161004 is an apocalyptic number.

It is an amenable number.

30161004 is an abundant number, since it is smaller than the sum of its proper divisors (43275156).

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

30161004 is a wasteful number, since it uses less digits than its factorization.

30161004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109309 (or 109307 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30161004 is about 5491.9034951463. The cubic root of 30161004 is about 311.2781223279.

Adding to 30161004 its reverse (40016103), we get a palindrome (70177107).

The spelling of 30161004 in words is "thirty million, one hundred sixty-one thousand, four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 109279 218558 327837 437116 655674 1311348 2513417 5026834 7540251 10053668 15080502 30161004