Search a number
-
+
305146113 = 3313281141
BaseRepresentation
bin10010001100000…
…010100100000001
3210021012000202220
4102030002210001
51111104133423
650140201253
710363461546
oct2214024401
9707160686
10305146113
11147279878
1286239229
134b2b023c
142c752bcd
151bbc89e3
hex12302901

305146113 has 8 divisors (see below), whose sum is σ = 419986176. Its totient is φ = 196868400.

The previous prime is 305146109. The next prime is 305146139. The reversal of 305146113 is 311641503.

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

It is not a de Polignac number, because 305146113 - 22 = 305146109 is a prime.

It is a super-2 number, since 2×3051461132 = 186228300558017538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305146183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640478 + ... + 1640663.

It is an arithmetic number, because the mean of its divisors is an integer number (52498272).

Almost surely, 2305146113 is an apocalyptic number.

It is an amenable number.

305146113 is a deficient number, since it is larger than the sum of its proper divisors (114840063).

305146113 is a wasteful number, since it uses less digits than its factorization.

305146113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281175.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 305146113 is about 17468.4318987137. The cubic root of 305146113 is about 673.2390224791.

Adding to 305146113 its reverse (311641503), we get a palindrome (616787616).

The spelling of 305146113 in words is "three hundred five million, one hundred forty-six thousand, one hundred thirteen".

Divisors: 1 3 31 93 3281141 9843423 101715371 305146113