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305434298 = 21311747473
BaseRepresentation
bin10010001101001…
…000111010111010
3210021201200002102
4102031020322322
51111142344143
650150303402
710366102001
oct2215107272
9707650072
10305434298
11147456344
1286357b62
134b381470
142c7c9c38
151bc340b8
hex12348eba

305434298 has 8 divisors (see below), whose sum is σ = 493393908. Its totient is φ = 140969664.

The previous prime is 305434277. The next prime is 305434301. The reversal of 305434298 is 892434503.

It can be written as a sum of positive squares in 2 ways, for example, as 304048969 + 1385329 = 17437^2 + 1177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3054342982 = 186580220789505608, which contains 22 as substring.

It is a Curzon number.

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, 5873711 + ... + 5873762.

Almost surely, 2305434298 is an apocalyptic number.

305434298 is a deficient number, since it is larger than the sum of its proper divisors (187959610).

305434298 is a wasteful number, since it uses less digits than its factorization.

305434298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747488.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 305434298 is about 17476.6786890416. The cubic root of 305434298 is about 673.4508951239.

The spelling of 305434298 in words is "three hundred five million, four hundred thirty-four thousand, two hundred ninety-eight".

Divisors: 1 2 13 26 11747473 23494946 152717149 305434298