Search a number
-
+
300154221 = 3361182243
BaseRepresentation
bin10001111000111…
…111110101101101
3202220210102012000
4101320333311231
51103314413341
645441202513
710303161123
oct2170776555
9686712160
10300154221
1114447a344
1284630439
134a253063
142bc13913
151b53e8b6
hex11e3fd6d

300154221 has 16 divisors (see below), whose sum is σ = 451965120. Its totient is φ = 196821360.

The previous prime is 300154201. The next prime is 300154223. The reversal of 300154221 is 122451003.

It is not a de Polignac number, because 300154221 - 25 = 300154189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300154194 and 300154203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300154223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89475 + ... + 92768.

It is an arithmetic number, because the mean of its divisors is an integer number (28247820).

Almost surely, 2300154221 is an apocalyptic number.

It is an amenable number.

300154221 is a deficient number, since it is larger than the sum of its proper divisors (151810899).

300154221 is a wasteful number, since it uses less digits than its factorization.

300154221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182313 (or 182307 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 300154221 is about 17324.9594804721. The cubic root of 300154221 is about 669.5476422300.

The spelling of 300154221 in words is "three hundred million, one hundred fifty-four thousand, two hundred twenty-one".

Divisors: 1 3 9 27 61 183 549 1647 182243 546729 1640187 4920561 11116823 33350469 100051407 300154221