Search a number
-
+
30607065 = 395311
BaseRepresentation
bin111010011000…
…0011011011001
32010121000000000
41310300123121
530313411230
63012003213
7521104266
oct164603331
963530000
1030607065
11163055a5
12a300509
1364583b8
1440ca26d
152a48b60
hex1d306d9

30607065 has 40 divisors (see below), whose sum is σ = 55268928. Its totient is φ = 16271280.

The previous prime is 30607061. The next prime is 30607069. The reversal of 30607065 is 56070603.

It is an interprime number because it is at equal distance from previous prime (30607061) and next prime (30607069).

It is not a de Polignac number, because 30607065 - 22 = 30607061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30607061) 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 39 ways as a sum of consecutive naturals, for example, 98260 + ... + 98570.

Almost surely, 230607065 is an apocalyptic number.

It is an amenable number.

30607065 is a deficient number, since it is larger than the sum of its proper divisors (24661863).

30607065 is an frugal number, since it uses more digits than its factorization.

30607065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 30607065 is about 5532.3652265555. The cubic root of 30607065 is about 312.8051504626.

Adding to 30607065 its reverse (56070603), we get a palindrome (86677668).

The spelling of 30607065 in words is "thirty million, six hundred seven thousand, sixty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 311 405 729 933 1215 1555 2187 2799 3645 4665 6561 8397 10935 13995 19683 25191 32805 41985 75573 98415 125955 226719 377865 680157 1133595 2040471 3400785 6121413 10202355 30607065