Search a number
-
+
305133124 = 223111172203
BaseRepresentation
bin10010001011111…
…111011001000100
3210021011100221211
4102023333121010
51111103224444
650140021204
710363405642
oct2213773104
9707140854
10305133124
1114727003a
1286231804
134b2a735a
142c74c192
151bbc4c34
hex122ff644

305133124 has 24 divisors (see below), whose sum is σ = 551952128. Its totient is φ = 147445920.

The previous prime is 305133107. The next prime is 305133131. The reversal of 305133124 is 421331503.

305133124 = T2515 + T2516 + ... + T2607.

It is a junction number, because it is equal to n+sod(n) for n = 305133095 and 305133104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137407 + ... + 139609.

Almost surely, 2305133124 is an apocalyptic number.

It is an amenable number.

305133124 is a deficient number, since it is larger than the sum of its proper divisors (246819004).

305133124 is a wasteful number, since it uses less digits than its factorization.

305133124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 305133124 is about 17468.0601098119. The cubic root of 305133124 is about 673.2294698688.

Adding to 305133124 its reverse (421331503), we get a palindrome (726464627).

The spelling of 305133124 in words is "three hundred five million, one hundred thirty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 31 62 124 1117 2203 2234 4406 4468 8812 34627 68293 69254 136586 138508 273172 2460751 4921502 9843004 76283281 152566562 305133124