Search a number
-
+
30654436 = 2227128279
BaseRepresentation
bin111010011101…
…1111111100100
32010200101222111
41310323333210
530321420221
63013010404
7521362351
oct164737744
963611874
1030654436
111633814a
12a323a04
136473b27
1440dd628
152a57be1
hex1d3bfe4

30654436 has 12 divisors (see below), whose sum is σ = 53845120. Its totient is φ = 15270120.

The previous prime is 30654431. The next prime is 30654439. The reversal of 30654436 is 63445603.

It is a junction number, because it is equal to n+sod(n) for n = 30654398 and 30654407.

It is not an unprimeable number, because it can be changed into a prime (30654431) 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 3 ways as a sum of consecutive naturals, for example, 13056 + ... + 15223.

Almost surely, 230654436 is an apocalyptic number.

It is an amenable number.

30654436 is a deficient number, since it is larger than the sum of its proper divisors (23190684).

30654436 is a wasteful number, since it uses less digits than its factorization.

30654436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28554 (or 28552 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 30654436 is about 5536.6448323872. The cubic root of 30654436 is about 312.9664449733.

The spelling of 30654436 in words is "thirty million, six hundred fifty-four thousand, four hundred thirty-six".

Divisors: 1 2 4 271 542 1084 28279 56558 113116 7663609 15327218 30654436