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305124122 = 21935091553
BaseRepresentation
bin10010001011111…
…101001100011010
3210021010220121102
4102023331030122
51111102432442
650135511402
710363340462
oct2213751432
9707126542
10305124122
111472642a6
1286228562
134b2a3224
142c748ba2
151bbc2232
hex122fd31a

305124122 has 16 divisors (see below), whose sum is σ = 461258280. Its totient is φ = 151375872.

The previous prime is 305124119. The next prime is 305124139. The reversal of 305124122 is 221421503.

305124122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 210859441 + 94264681 = 14521^2 + 9709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305124094 and 305124103.

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, 195698 + ... + 197250.

Almost surely, 2305124122 is an apocalyptic number.

305124122 is a deficient number, since it is larger than the sum of its proper divisors (156134158).

305124122 is a wasteful number, since it uses less digits than its factorization.

305124122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 305124122 is about 17467.8024376279. The cubic root of 305124122 is about 673.2228492926. Note that the first 3 decimals are identical.

Adding to 305124122 its reverse (221421503), we get a palindrome (526545625).

The spelling of 305124122 in words is "three hundred five million, one hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 193 386 509 1018 1553 3106 98237 196474 299729 599458 790477 1580954 152562061 305124122