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30526434 = 2321695913
BaseRepresentation
bin111010001110…
…0101111100010
32010102220101200
41310130233202
530303321214
63010142030
7520320231
oct164345742
963386350
1030526434
111625aa64
12a281916
13642a7a3
1440a8b18
152a2ed09
hex1d1cbe2

30526434 has 12 divisors (see below), whose sum is σ = 66140646. Its totient is φ = 10175472.

The previous prime is 30526421. The next prime is 30526459. The reversal of 30526434 is 43462503.

It can be written as a sum of positive squares in only one way, i.e., 29192409 + 1334025 = 5403^2 + 1155^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30526398 and 30526407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847939 + ... + 847974.

Almost surely, 230526434 is an apocalyptic number.

30526434 is an abundant number, since it is smaller than the sum of its proper divisors (35614212).

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

30526434 is a wasteful number, since it uses less digits than its factorization.

30526434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695921 (or 1695918 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 30526434 is about 5525.0732121846. The cubic root of 30526434 is about 312.5302251299.

Adding to 30526434 its reverse (43462503), we get a palindrome (73988937).

The spelling of 30526434 in words is "thirty million, five hundred twenty-six thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 1695913 3391826 5087739 10175478 15263217 30526434