Search a number
-
+
30393612 = 22326712601
BaseRepresentation
bin111001111110…
…0010100001100
32010012011012100
41303330110030
530240043422
63003235100
7516225054
oct163742414
963164170
1030393612
111617a197
12a218a90
1363b21b2
144072564
152a057ac
hex1cfc50c

30393612 has 36 divisors (see below), whose sum is σ = 77981176. Its totient is φ = 9979200.

The previous prime is 30393611. The next prime is 30393617. The reversal of 30393612 is 21639303.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (30393611) 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 11 ways as a sum of consecutive naturals, for example, 3889 + ... + 8712.

Almost surely, 230393612 is an apocalyptic number.

It is an amenable number.

30393612 is an abundant number, since it is smaller than the sum of its proper divisors (47587564).

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

30393612 is a wasteful number, since it uses less digits than its factorization.

30393612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 30393612 is about 5513.0401776153. The cubic root of 30393612 is about 312.0762880512.

The spelling of 30393612 in words is "thirty million, three hundred ninety-three thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1206 2412 12601 25202 37803 50404 75606 113409 151212 226818 453636 844267 1688534 2532801 3377068 5065602 7598403 10131204 15196806 30393612