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30130365 = 352008691
BaseRepresentation
bin111001011110…
…0000010111101
32002200210002110
41302330002331
530203132430
62553444233
7514050426
oct162740275
962623073
1030130365
111600a431
12a110679
13631c425
14400464d
1529a27b0
hex1cbc0bd

30130365 has 8 divisors (see below), whose sum is σ = 48208608. Its totient is φ = 16069520.

The previous prime is 30130361. The next prime is 30130379. The reversal of 30130365 is 56303103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30130365 - 22 = 30130361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004331 + ... + 1004360.

It is an arithmetic number, because the mean of its divisors is an integer number (6026076).

Almost surely, 230130365 is an apocalyptic number.

It is an amenable number.

30130365 is a deficient number, since it is larger than the sum of its proper divisors (18078243).

30130365 is a wasteful number, since it uses less digits than its factorization.

30130365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008699.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 30130365 is about 5489.1133163745. The cubic root of 30130365 is about 311.1726828485.

Adding to 30130365 its reverse (56303103), we get a palindrome (86433468).

The spelling of 30130365 in words is "thirty million, one hundred thirty thousand, three hundred sixty-five".

Divisors: 1 3 5 15 2008691 6026073 10043455 30130365