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30130626 = 235021771
BaseRepresentation
bin111001011110…
…0000111000010
32002200210110010
41302330013002
530203140001
62553445350
7514051251
oct162740702
962623403
1030130626
111600a649
12a110856
13631c596
144004798
1529a28d6
hex1cbc1c2

30130626 has 8 divisors (see below), whose sum is σ = 60261264. Its totient is φ = 10043540.

The previous prime is 30130603. The next prime is 30130627. The reversal of 30130626 is 62603103.

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

30130626 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30130627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510880 + ... + 2510891.

It is an arithmetic number, because the mean of its divisors is an integer number (7532658).

Almost surely, 230130626 is an apocalyptic number.

30130626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30130626 is a wasteful number, since it uses less digits than its factorization.

30130626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021776.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30130626 is about 5489.1370906546. The cubic root of 30130626 is about 311.1735813423.

Adding to 30130626 its reverse (62603103), we get a palindrome (92733729).

The spelling of 30130626 in words is "thirty million, one hundred thirty thousand, six hundred twenty-six".

Divisors: 1 2 3 6 5021771 10043542 15065313 30130626