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1232044220 = 2251123243487
BaseRepresentation
bin100100101101111…
…1000000010111100
310011212022022221102
41021123320002330
510010400403340
6322130552232
742350126441
oct11133700274
93155268842
101232044220
11582503070
122a4738678
13168333a64
14b98b19c8
157326a215
hex496f80bc

1232044220 has 48 divisors (see below), whose sum is σ = 2945230848. Its totient is φ = 428535360.

The previous prime is 1232044217. The next prime is 1232044249. The reversal of 1232044220 is 224402321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1232044192 and 1232044201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116684 + ... + 126803.

It is an arithmetic number, because the mean of its divisors is an integer number (61358976).

Almost surely, 21232044220 is an apocalyptic number.

1232044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232044220 is an abundant number, since it is smaller than the sum of its proper divisors (1713186628).

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

1232044220 is a wasteful number, since it uses less digits than its factorization.

1232044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243530 (or 243528 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1232044220 is about 35100.4874610026. The cubic root of 1232044220 is about 1072.0345080133.

Adding to 1232044220 its reverse (224402321), we get a palindrome (1456446541).

The spelling of 1232044220 in words is "one billion, two hundred thirty-two million, forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 243487 486974 973948 1217435 2434870 2678357 4869740 5356714 5600201 10713428 11200402 13391785 22400804 26783570 28001005 53567140 56002010 61602211 112004020 123204422 246408844 308011055 616022110 1232044220