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305446242 = 2317193972
BaseRepresentation
bin10010001101001…
…011110101100010
3210021202021110210
4102031023311202
51111143234432
650150434550
710366151553
oct2215136542
9707667423
10305446242
11147464312
1286362a56
134b386a2a
142c7d032a
151bc378cc
hex1234bd62

305446242 has 48 divisors (see below), whose sum is σ = 682590240. Its totient is φ = 90554112.

The previous prime is 305446237. The next prime is 305446283. The reversal of 305446242 is 242644503.

305446242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769188 + ... + 769584.

It is an arithmetic number, because the mean of its divisors is an integer number (14220630).

Almost surely, 2305446242 is an apocalyptic number.

305446242 is an abundant number, since it is smaller than the sum of its proper divisors (377143998).

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

305446242 is a wasteful number, since it uses less digits than its factorization.

305446242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 305446242 is about 17477.0203982258. The cubic root of 305446242 is about 673.4596734358.

The spelling of 305446242 in words is "three hundred five million, four hundred forty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 397 646 794 969 1191 1938 2382 6749 7543 13498 15086 20247 22629 40494 45258 128231 157609 256462 315218 384693 472827 769386 945654 2679353 2994571 5358706 5989142 8038059 8983713 16076118 17967426 50907707 101815414 152723121 305446242