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305230052 = 22421181253
BaseRepresentation
bin10010001100010…
…111000011100100
3210021100021220202
4102030113003210
51111114330202
650142050032
710364261351
oct2214270344
9707307822
10305230052
11147326946
1286279918
134b30c4ca
142c775628
151bbe3802
hex123170e4

305230052 has 12 divisors (see below), whose sum is σ = 535424316. Its totient is φ = 152251680.

The previous prime is 305230049. The next prime is 305230073. The reversal of 305230052 is 250032503.

It can be written as a sum of positive squares in 2 ways, for example, as 15413476 + 289816576 = 3926^2 + 17024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88943 + ... + 92310.

It is an arithmetic number, because the mean of its divisors is an integer number (44618693).

Almost surely, 2305230052 is an apocalyptic number.

It is an amenable number.

305230052 is a deficient number, since it is larger than the sum of its proper divisors (230194264).

305230052 is a wasteful number, since it uses less digits than its factorization.

305230052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181678 (or 181676 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 305230052 is about 17470.8343246681. The cubic root of 305230052 is about 673.3007479139.

Adding to 305230052 its reverse (250032503), we get a palindrome (555262555).

The spelling of 305230052 in words is "three hundred five million, two hundred thirty thousand, fifty-two".

Divisors: 1 2 4 421 842 1684 181253 362506 725012 76307513 152615026 305230052