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305505214 = 27190711443
BaseRepresentation
bin10010001101011…
…010001110111110
3210021212021100221
4102031122032332
51111202131324
650152011554
710366515520
oct2215321676
9707767327
10305505214
111474a4653
1286390bba
134b3a7821
142c807a10
151bc4a0e4
hex1235a3be

305505214 has 16 divisors (see below), whose sum is σ = 524043648. Its totient is φ = 130850712.

The previous prime is 305505203. The next prime is 305505241. The reversal of 305505214 is 412505503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20977 + ... + 32419.

It is an arithmetic number, because the mean of its divisors is an integer number (32752728).

Almost surely, 2305505214 is an apocalyptic number.

305505214 is a deficient number, since it is larger than the sum of its proper divisors (218538434).

305505214 is a wasteful number, since it uses less digits than its factorization.

305505214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 305505214 is about 17478.7074464904. The cubic root of 305505214 is about 673.5030118947.

The spelling of 305505214 in words is "three hundred five million, five hundred five thousand, two hundred fourteen".

Divisors: 1 2 7 14 1907 3814 11443 13349 22886 26698 80101 160202 21821801 43643602 152752607 305505214