Search a number
-
+
184428842 = 21315745181
BaseRepresentation
bin10101111111000…
…10100100101010
3110212000221210212
422333202210222
5334203210332
630144541122
74366422263
oct1277424452
9425027725
10184428842
1195118134
12519217a2
132c2949c0
141a6cb96a
15112d08b2
hexafe292a

184428842 has 16 divisors (see below), whose sum is σ = 299827752. Its totient is φ = 84576960.

The previous prime is 184428841. The next prime is 184428847. The reversal of 184428842 is 248824481.

It can be written as a sum of positive squares in 4 ways, for example, as 56535361 + 127893481 = 7519^2 + 11309^2 .

It is a super-2 number, since 2×1844288422 = 68027995522921928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 184428842.

It is not an unprimeable number, because it can be changed into a prime (184428841) 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, 18509 + ... + 26672.

Almost surely, 2184428842 is an apocalyptic number.

184428842 is a deficient number, since it is larger than the sum of its proper divisors (115398910).

184428842 is a wasteful number, since it uses less digits than its factorization.

184428842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45353.

The product of its digits is 131072, while the sum is 41.

The square root of 184428842 is about 13580.4580924209. The cubic root of 184428842 is about 569.2149261731.

The spelling of 184428842 in words is "one hundred eighty-four million, four hundred twenty-eight thousand, eight hundred forty-two".

Divisors: 1 2 13 26 157 314 2041 4082 45181 90362 587353 1174706 7093417 14186834 92214421 184428842