Search a number
-
+
30927340 = 2252953323
BaseRepresentation
bin111010111111…
…0100111101100
32011012021100001
41311332213230
530404133330
63022514044
7523610113
oct165764754
964167301
1030927340
1116504194
12a435924
13653b102
144170c7a
152aad9ca
hex1d7e9ec

30927340 has 24 divisors (see below), whose sum is σ = 67188240. Its totient is φ = 11944128.

The previous prime is 30927313. The next prime is 30927343. The reversal of 30927340 is 4372903.

It is a junction number, because it is equal to n+sod(n) for n = 30927299 and 30927308.

It is not an unprimeable number, because it can be changed into a prime (30927343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26082 + ... + 27241.

It is an arithmetic number, because the mean of its divisors is an integer number (2799510).

Almost surely, 230927340 is an apocalyptic number.

It is an amenable number.

30927340 is an abundant number, since it is smaller than the sum of its proper divisors (36260900).

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

30927340 is a wasteful number, since it uses less digits than its factorization.

30927340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53361 (or 53359 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30927340 is about 5561.2354742449. The cubic root of 30927340 is about 313.8924402043.

The spelling of 30927340 in words is "thirty million, nine hundred twenty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 53323 106646 213292 266615 533230 1066460 1546367 3092734 6185468 7731835 15463670 30927340