Search a number
-
+
30135508 = 2213579529
BaseRepresentation
bin111001011110…
…1010011010100
32002201001010221
41302331103110
530203314013
62553524124
7514101424
oct162752324
962631127
1030135508
1116013287
12a113644
136321880
144006484
1529a408d
hex1cbd4d4

30135508 has 12 divisors (see below), whose sum is σ = 56793940. Its totient is φ = 13908672.

The previous prime is 30135493. The next prime is 30135517. The reversal of 30135508 is 80553103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 23155344 = 2642^2 + 4812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289713 + ... + 289816.

Almost surely, 230135508 is an apocalyptic number.

It is an amenable number.

30135508 is a deficient number, since it is larger than the sum of its proper divisors (26658432).

30135508 is a wasteful number, since it uses less digits than its factorization.

30135508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579546 (or 579544 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 30135508 is about 5489.5817691332. The cubic root of 30135508 is about 311.1903866949.

The spelling of 30135508 in words is "thirty million, one hundred thirty-five thousand, five hundred eight".

Divisors: 1 2 4 13 26 52 579529 1159058 2318116 7533877 15067754 30135508