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305000422 = 2588125931
BaseRepresentation
bin10010001011011…
…110111111100110
3210020220121220221
4102023132333212
51111040003142
650133114554
710362314026
oct2213367746
9706817827
10305000422
1114718a371
1286188a5a
134b25bb2c
142c715a86
151bb9a767
hex122defe6

305000422 has 8 divisors (see below), whose sum is σ = 457596072. Its totient is φ = 152468400.

The previous prime is 305000393. The next prime is 305000459. The reversal of 305000422 is 224000503.

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

It is a junction number, because it is equal to n+sod(n) for n = 305000396 and 305000405.

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, 1204 + ... + 24727.

It is an arithmetic number, because the mean of its divisors is an integer number (57199509).

Almost surely, 2305000422 is an apocalyptic number.

305000422 is a deficient number, since it is larger than the sum of its proper divisors (152595650).

305000422 is a wasteful number, since it uses less digits than its factorization.

305000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31814.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 305000422 is about 17464.2612783937. The cubic root of 305000422 is about 673.1318601761.

Adding to 305000422 its reverse (224000503), we get a palindrome (529000925).

The spelling of 305000422 in words is "three hundred five million, four hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 5881 11762 25931 51862 152500211 305000422