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305219034 = 23247360779
BaseRepresentation
bin10010001100010…
…100010111011010
3210021022201210200
4102030110113122
51111114002114
650141523030
710364214261
oct2214242732
9707281720
10305219034
1114731963a
1286273476
134b3074a3
142c7715d8
151bbe0409
hex123145da

305219034 has 24 divisors (see below), whose sum is σ = 675380160. Its totient is φ = 99574728.

The previous prime is 305219011. The next prime is 305219063. The reversal of 305219034 is 430912503.

It is a junction number, because it is equal to n+sod(n) for n = 305218989 and 305219007.

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 in 11 ways as a sum of consecutive naturals, for example, 179544 + ... + 181235.

It is an arithmetic number, because the mean of its divisors is an integer number (28140840).

Almost surely, 2305219034 is an apocalyptic number.

305219034 is an abundant number, since it is smaller than the sum of its proper divisors (370161126).

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

305219034 is a wasteful number, since it uses less digits than its factorization.

305219034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360834 (or 360831 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 305219034 is about 17470.5189962977. The cubic root of 305219034 is about 673.2926463559.

The spelling of 305219034 in words is "three hundred five million, two hundred nineteen thousand, thirty-four".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 360779 721558 1082337 2164674 3247011 6494022 16956613 33913226 50869839 101739678 152609517 305219034