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305108066 = 2152554033
BaseRepresentation
bin10010001011111…
…001010001100010
3210021010002120202
4102023321101202
51111101424231
650135305202
710363242614
oct2213712142
9707102522
10305108066
1114725322a
128621b202
134b298b23
142c742db4
151bbbc5cb
hex122f9462

305108066 has 4 divisors (see below), whose sum is σ = 457662102. Its totient is φ = 152554032.

The previous prime is 305108059. The next prime is 305108123. The reversal of 305108066 is 660801503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660801503 = 679862709.

It can be written as a sum of positive squares in only one way, i.e., 271293841 + 33814225 = 16471^2 + 5815^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76277015 + ... + 76277018.

Almost surely, 2305108066 is an apocalyptic number.

305108066 is a deficient number, since it is larger than the sum of its proper divisors (152554036).

305108066 is a wasteful number, since it uses less digits than its factorization.

305108066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152554035.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 305108066 is about 17467.3428431459. The cubic root of 305108066 is about 673.2110404855.

Adding to 305108066 its reverse (660801503), we get a palindrome (965909569).

The spelling of 305108066 in words is "three hundred five million, one hundred eight thousand, sixty-six".

Divisors: 1 2 152554033 305108066