Search a number
-
+
30414565 = 531317619
BaseRepresentation
bin111010000000…
…1011011100101
32010020012221101
41310001123211
530241231230
63003520101
7516343126
oct164013345
963205841
1030414565
1116193a05
12a229031
1363bb8ac
14407a04d
152a0baca
hex1d016e5

30414565 has 16 divisors (see below), whose sum is σ = 37854720. Its totient is φ = 23434560.

The previous prime is 30414557. The next prime is 30414599. The reversal of 30414565 is 56541403.

It is not a de Polignac number, because 30414565 - 23 = 30414557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48826 + ... + 49444.

It is an arithmetic number, because the mean of its divisors is an integer number (2365920).

Almost surely, 230414565 is an apocalyptic number.

It is an amenable number.

30414565 is a deficient number, since it is larger than the sum of its proper divisors (7440155).

30414565 is a wasteful number, since it uses less digits than its factorization.

30414565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 30414565 is about 5514.9401628667. The cubic root of 30414565 is about 312.1479854901.

Adding to 30414565 its reverse (56541403), we get a palindrome (86955968).

The spelling of 30414565 in words is "thirty million, four hundred fourteen thousand, five hundred sixty-five".

Divisors: 1 5 31 155 317 619 1585 3095 9827 19189 49135 95945 196223 981115 6082913 30414565