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305443342 = 21163131317
BaseRepresentation
bin10010001101001…
…011001000001110
3210021202010111101
4102031023020032
51111143141332
650150413314
710366140241
oct2215131016
9707663441
10305443342
11147462116
128636123a
134b385609
142c7cd258
151bc36ae7
hex1234b20e

305443342 has 8 divisors (see below), whose sum is σ = 458562456. Its totient is φ = 152589192.

The previous prime is 305443337. The next prime is 305443361. The reversal of 305443342 is 243344503.

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

It is a self number, because there is not a number n which added to its sum of digits gives 305443342.

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, 63333 + ... + 67984.

It is an arithmetic number, because the mean of its divisors is an integer number (57320307).

Almost surely, 2305443342 is an apocalyptic number.

305443342 is a deficient number, since it is larger than the sum of its proper divisors (153119114).

305443342 is a wasteful number, since it uses less digits than its factorization.

305443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132482.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 305443342 is about 17476.9374319416. The cubic root of 305443342 is about 673.4575420851.

Adding to 305443342 its reverse (243344503), we get a palindrome (548787845).

The spelling of 305443342 in words is "three hundred five million, four hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 1163 2326 131317 262634 152721671 305443342