Search a number
-
+
30594140 = 2252366509
BaseRepresentation
bin111010010110…
…1010001011100
32010120100021022
41310231101130
530313003030
63011423312
7521021513
oct164552134
963510238
1030594140
11162a6915
12a2b4b38
136452555
1440c567a
152a44de5
hex1d2d45c

30594140 has 24 divisors (see below), whose sum is σ = 67042080. Its totient is φ = 11705408.

The previous prime is 30594121. The next prime is 30594149. The reversal of 30594140 is 4149503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30594149) 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 7 ways as a sum of consecutive naturals, for example, 32795 + ... + 33714.

It is an arithmetic number, because the mean of its divisors is an integer number (2793420).

Almost surely, 230594140 is an apocalyptic number.

It is an amenable number.

30594140 is an abundant number, since it is smaller than the sum of its proper divisors (36447940).

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

30594140 is a wasteful number, since it uses less digits than its factorization.

30594140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66541 (or 66539 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30594140 is about 5531.1969771470. The cubic root of 30594140 is about 312.7611129633.

The spelling of 30594140 in words is "thirty million, five hundred ninety-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 66509 133018 266036 332545 665090 1330180 1529707 3059414 6118828 7648535 15297070 30594140