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305752234 = 2997315329
BaseRepresentation
bin10010001110010…
…110100010101010
3210022022211012211
4102032112202222
51111233032414
650201155334
710401564634
oct2216264252
9708284184
10305752234
111476531a7
128648bb4a
134b4630a8
142c86da54
151bc983c4
hex123968aa

305752234 has 8 divisors (see below), whose sum is σ = 458704260. Its totient is φ = 152850816.

The previous prime is 305752229. The next prime is 305752243. The reversal of 305752234 is 432257503.

It can be written as a sum of positive squares in 2 ways, for example, as 247275625 + 58476609 = 15725^2 + 7647^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 305752196 and 305752205.

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 3 ways as a sum of consecutive naturals, for example, 12282 + ... + 27610.

Almost surely, 2305752234 is an apocalyptic number.

305752234 is a deficient number, since it is larger than the sum of its proper divisors (152952026).

305752234 is a wasteful number, since it uses less digits than its factorization.

305752234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25304.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 305752234 is about 17485.7723306693. The cubic root of 305752234 is about 673.6844860417.

The spelling of 305752234 in words is "three hundred five million, seven hundred fifty-two thousand, two hundred thirty-four".

Divisors: 1 2 9973 15329 19946 30658 152876117 305752234