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305012234 = 2478114001
BaseRepresentation
bin10010001011100…
…001111000001010
3210020221020010102
4102023201320022
51111040342414
650133245402
710362363332
oct2213417012
9706836112
10305012234
1114719822a
1286193862
134b264317
142c71a0c2
151bb9dede
hex122e1e0a

305012234 has 16 divisors (see below), whose sum is σ = 467945856. Its totient is φ = 149040000.

The previous prime is 305012233. The next prime is 305012303. The reversal of 305012234 is 432210503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (305012233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74234 + ... + 78234.

It is an arithmetic number, because the mean of its divisors is an integer number (29246616).

Almost surely, 2305012234 is an apocalyptic number.

305012234 is a deficient number, since it is larger than the sum of its proper divisors (162933622).

305012234 is a wasteful number, since it uses less digits than its factorization.

305012234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 305012234 is about 17464.5994514618. The cubic root of 305012234 is about 673.1405497061.

Adding to 305012234 its reverse (432210503), we get a palindrome (737222737).

The spelling of 305012234 in words is "three hundred five million, twelve thousand, two hundred thirty-four".

Divisors: 1 2 47 94 811 1622 4001 8002 38117 76234 188047 376094 3244811 6489622 152506117 305012234