Search a number
-
+
229622450 = 25221432
BaseRepresentation
bin11011010111111…
…00001010110010
3121000002000210012
431223330022302
5432240404300
634441334522
75455521131
oct1553741262
9530060705
10229622450
11108685822
1264a97442
1338759495
14226d3918
151525b435
hexdafc2b2

229622450 has 18 divisors (see below), whose sum is σ = 427297149. Its totient is φ = 91806120.

The previous prime is 229622423. The next prime is 229622473. The reversal of 229622450 is 54226922.

It can be written as a sum of positive squares in 2 ways, for example, as 225030001 + 4592449 = 15001^2 + 2143^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10715.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106079 + ... + 108221.

Almost surely, 2229622450 is an apocalyptic number.

229622450 is a deficient number, since it is larger than the sum of its proper divisors (197674699).

229622450 is an frugal number, since it uses more digits than its factorization.

229622450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 229622450 is about 15153.2983208277. The cubic root of 229622450 is about 612.3571345260.

Multiplying 229622450 by its sum of digits (32), we get a square (7347918400 = 857202).

The spelling of 229622450 in words is "two hundred twenty-nine million, six hundred twenty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2143 4286 10715 21430 53575 107150 4592449 9184898 22962245 45924490 114811225 229622450