Search a number
-
+
221430114 = 23271173263
BaseRepresentation
bin11010011001011…
…00000101100010
3120102122211000100
431030230011202
5423141230424
633550003230
75326060563
oct1514540542
9512584010
10221430114
11103a9a7a4
12621a6516
1336b4b649
14215a016a
151468ddc9
hexd32c162

221430114 has 24 divisors (see below), whose sum is σ = 486525312. Its totient is φ = 72770040.

The previous prime is 221430107. The next prime is 221430133. The reversal of 221430114 is 411034122.

221430114 is a `hidden beast` number, since 221 + 430 + 1 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85354 + ... + 87909.

It is an arithmetic number, because the mean of its divisors is an integer number (20271888).

Almost surely, 2221430114 is an apocalyptic number.

221430114 is an abundant number, since it is smaller than the sum of its proper divisors (265095198).

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

221430114 is a wasteful number, since it uses less digits than its factorization.

221430114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173342 (or 173339 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 221430114 is about 14880.5280148253. The cubic root of 221430114 is about 604.9863294045.

Adding to 221430114 its reverse (411034122), we get a palindrome (632464236).

The spelling of 221430114 in words is "two hundred twenty-one million, four hundred thirty thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 173263 346526 519789 1039578 1559367 3118734 12301673 24603346 36905019 73810038 110715057 221430114