Search a number
-
+
214233428 = 22421127217
BaseRepresentation
bin11001100010011…
…11000101010100
3112221010012000102
430301033011110
5414320432203
633131433232
75210645153
oct1461170524
9487105012
10214233428
11aaa24822
125b8b5818
13354cba56
142064959a
1513c1b888
hexcc4f154

214233428 has 12 divisors (see below), whose sum is σ = 375801972. Its totient is φ = 106861440.

The previous prime is 214233427. The next prime is 214233433. The reversal of 214233428 is 824332412.

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 203290564 = 3308^2 + 14258^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 214233428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214233421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61925 + ... + 65292.

It is an arithmetic number, because the mean of its divisors is an integer number (31316831).

Almost surely, 2214233428 is an apocalyptic number.

It is an amenable number.

214233428 is a deficient number, since it is larger than the sum of its proper divisors (161568544).

214233428 is a wasteful number, since it uses less digits than its factorization.

214233428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127642 (or 127640 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 214233428 is about 14636.7150686211. The cubic root of 214233428 is about 598.3598055411.

The spelling of 214233428 in words is "two hundred fourteen million, two hundred thirty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 421 842 1684 127217 254434 508868 53558357 107116714 214233428