Search a number
-
+
30073539 = 3591311297
BaseRepresentation
bin111001010111…
…0001011000011
32002120220010210
41302232023003
530144323124
62552325203
7513422646
oct162561303
962526123
1030073539
1115a80771
12a0a3803
1362cc5c2
143dcba5d
152990a29
hex1cae2c3

30073539 has 16 divisors (see below), whose sum is σ = 41120640. Its totient is φ = 19543680.

The previous prime is 30073531. The next prime is 30073559. The reversal of 30073539 is 93537003.

It is not a de Polignac number, because 30073539 - 23 = 30073531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30073531) 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 15 ways as a sum of consecutive naturals, for example, 22539 + ... + 23835.

It is an arithmetic number, because the mean of its divisors is an integer number (2570040).

Almost surely, 230073539 is an apocalyptic number.

30073539 is a deficient number, since it is larger than the sum of its proper divisors (11047101).

30073539 is a wasteful number, since it uses less digits than its factorization.

30073539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 8505, while the sum is 30.

The square root of 30073539 is about 5483.9346276191. The cubic root of 30073539 is about 310.9769353904.

The spelling of 30073539 in words is "thirty million, seventy-three thousand, five hundred thirty-nine".

Divisors: 1 3 59 131 177 393 1297 3891 7729 23187 76523 169907 229569 509721 10024513 30073539