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305416130 = 25373732213
BaseRepresentation
bin10010001101000…
…100011111000010
3210021200202011112
4102031010133002
51111141304010
650150043322
710365665015
oct2215043702
9707622145
10305416130
11147443728
1286349542
134b376106
142c7c337c
151bc2da05
hex123447c2

305416130 has 32 divisors (see below), whose sum is σ = 566376624. Its totient is φ = 118492416.

The previous prime is 305416129. The next prime is 305416171. The reversal of 305416130 is 31614503.

It is a happy number.

305416130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 285711409 + 19704721 = 16903^2 + 4439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305416096 and 305416105.

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, 136904 + ... + 139116.

Almost surely, 2305416130 is an apocalyptic number.

305416130 is a deficient number, since it is larger than the sum of its proper divisors (260960494).

305416130 is a wasteful number, since it uses less digits than its factorization.

305416130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 305416130 is about 17476.1589029169. The cubic root of 305416130 is about 673.4375420083.

The spelling of 305416130 in words is "three hundred five million, four hundred sixteen thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 373 746 1865 2213 3730 4426 11065 13801 22130 27602 69005 81881 138010 163762 409405 818810 825449 1650898 4127245 8254490 30541613 61083226 152708065 305416130