Search a number
-
+
305206074 = 23259928307
BaseRepresentation
bin10010001100010…
…001001100111010
3210021022002000200
4102030101030322
51111113043244
650141343030
710364131425
oct2214211472
9707262020
10305206074
1114730a928
1286267a76
134b301614
142c76a9bc
151bbdb669
hex1231133a

305206074 has 24 divisors (see below), whose sum is σ = 662407200. Its totient is φ = 101561928.

The previous prime is 305206073. The next prime is 305206093. The reversal of 305206074 is 470602503.

It is a happy number.

305206074 is a `hidden beast` number, since 3 + 0 + 52 + 0 + 607 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (305206073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3372 + ... + 24935.

It is an arithmetic number, because the mean of its divisors is an integer number (27600300).

Almost surely, 2305206074 is an apocalyptic number.

305206074 is an abundant number, since it is smaller than the sum of its proper divisors (357201126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305206074 is a wasteful number, since it uses less digits than its factorization.

305206074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914 (or 28911 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 305206074 is about 17470.1480817994. The cubic root of 305206074 is about 673.2831165917.

Adding to 305206074 its reverse (470602503), we get a palindrome (775808577).

The spelling of 305206074 in words is "three hundred five million, two hundred six thousand, seventy-four".

Divisors: 1 2 3 6 9 18 599 1198 1797 3594 5391 10782 28307 56614 84921 169842 254763 509526 16955893 33911786 50867679 101735358 152603037 305206074