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30487368 = 2331319697
BaseRepresentation
bin111010001001…
…1001101001000
32010100220210210
41310103031020
530301043433
63005241120
7520065312
oct164231510
963326723
1030487368
111623367a
12a2631a0
136415a82
1440987b2
152a23463
hex1d13348

30487368 has 32 divisors (see below), whose sum is σ = 76808160. Its totient is φ = 10083840.

The previous prime is 30487367. The next prime is 30487393. The reversal of 30487368 is 86378403.

It is not an unprimeable number, because it can be changed into a prime (30487361) by changing a digit.

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, 1705 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (2400255).

Almost surely, 230487368 is an apocalyptic number.

It is an amenable number.

30487368 is an abundant number, since it is smaller than the sum of its proper divisors (46320792).

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

30487368 is a wasteful number, since it uses less digits than its factorization.

30487368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 30487368 is about 5521.5367426107. The cubic root of 30487368 is about 312.3968487285.

The spelling of 30487368 in words is "thirty million, four hundred eighty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 9697 19394 29091 38788 58182 77576 116364 232728 1270307 2540614 3810921 5081228 7621842 10162456 15243684 30487368