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305052045 = 3522988807
BaseRepresentation
bin10010001011101…
…011100110001101
3210021000020201220
4102023223212031
51111043131140
650134153553
710362620364
oct2213534615
9707006656
10305052045
11147215131
12861b28b9
134b27948c
142c72a7db
151bbaabd0
hex122eb98d

305052045 has 16 divisors (see below), whose sum is σ = 490220160. Its totient is φ = 161982144.

The previous prime is 305052037. The next prime is 305052071. The reversal of 305052045 is 540250503.

It is not a de Polignac number, because 305052045 - 23 = 305052037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40969 + ... + 47838.

It is an arithmetic number, because the mean of its divisors is an integer number (30638760).

Almost surely, 2305052045 is an apocalyptic number.

It is an amenable number.

305052045 is a deficient number, since it is larger than the sum of its proper divisors (185168115).

305052045 is a wasteful number, since it uses less digits than its factorization.

305052045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89044.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 305052045 is about 17465.7391770288. The cubic root of 305052045 is about 673.1698351244.

The spelling of 305052045 in words is "three hundred five million, fifty-two thousand, forty-five".

Divisors: 1 3 5 15 229 687 1145 3435 88807 266421 444035 1332105 20336803 61010409 101684015 305052045