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220430032 = 24131105167
BaseRepresentation
bin11010010001101…
…11111011010000
3120100210000011021
431020313323100
5422412230112
633512325224
75314424104
oct1510677320
9510700137
10220430032
11103477389
12619a3814
133688b394
14213bd904
1514542907
hexd237ed0

220430032 has 20 divisors (see below), whose sum is σ = 430347456. Its totient is φ = 109372640.

The previous prime is 220430017. The next prime is 220430033. The reversal of 220430032 is 230034022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220429988 and 220430015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220430033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50488 + ... + 54679.

Almost surely, 2220430032 is an apocalyptic number.

It is an amenable number.

220430032 is a deficient number, since it is larger than the sum of its proper divisors (209917424).

220430032 is a wasteful number, since it uses less digits than its factorization.

220430032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105306 (or 105300 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220430032 is about 14846.8862728856. The cubic root of 220430032 is about 604.0741543094.

Adding to 220430032 its reverse (230034022), we get a palindrome (450464054).

The spelling of 220430032 in words is "two hundred twenty million, four hundred thirty thousand, thirty-two".

Divisors: 1 2 4 8 16 131 262 524 1048 2096 105167 210334 420668 841336 1682672 13776877 27553754 55107508 110215016 220430032