Search a number
-
+
30558124 = 2213755763
BaseRepresentation
bin111010010010…
…0011110101100
32010111111212101
41310210132230
530310324444
63010544444
7520511512
oct164443654
963444771
1030558124
1116281853
12a298124
13643c03c
1440b64b2
152a393d4
hex1d247ac

30558124 has 12 divisors (see below), whose sum is σ = 53868024. Its totient is φ = 15167264.

The previous prime is 30558119. The next prime is 30558127. The reversal of 30558124 is 42185503.

It is a junction number, because it is equal to n+sod(n) for n = 30558092 and 30558101.

It is not an unprimeable number, because it can be changed into a prime (30558127) 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 3 ways as a sum of consecutive naturals, for example, 27334 + ... + 28429.

It is an arithmetic number, because the mean of its divisors is an integer number (4489002).

Almost surely, 230558124 is an apocalyptic number.

It is an amenable number.

30558124 is a deficient number, since it is larger than the sum of its proper divisors (23309900).

30558124 is a wasteful number, since it uses less digits than its factorization.

30558124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55904 (or 55902 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 30558124 is about 5527.9403035851. The cubic root of 30558124 is about 312.6383353403.

The spelling of 30558124 in words is "thirty million, five hundred fifty-eight thousand, one hundred twenty-four".

Divisors: 1 2 4 137 274 548 55763 111526 223052 7639531 15279062 30558124