Base | Representation |
---|---|
bin | 100011110110111… |
… | …1101110100010100 |
3 | 10002212002112000220 |
4 | 1013231331310110 |
5 | 4431011411040 |
6 | 315221234340 |
7 | 41550206034 |
oct | 10755756424 |
9 | 3085075026 |
10 | 1203232020 |
11 | 568214031 |
12 | 296b629b0 |
13 | 162386613 |
14 | b5b318c4 |
15 | 709782d0 |
hex | 47b7dd14 |
1203232020 has 48 divisors (see below), whose sum is σ = 3447407040. Its totient is φ = 313399296.
The previous prime is 1203231989. The next prime is 1203232021. The reversal of 1203232020 is 202323021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1203232021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230605 + ... + 235764.
It is an arithmetic number, because the mean of its divisors is an integer number (71820980).
Almost surely, 21203232020 is an apocalyptic number.
1203232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1203232020 is an abundant number, since it is smaller than the sum of its proper divisors (2244175020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1203232020 is a wasteful number, since it uses less digits than its factorization.
1203232020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466424 (or 466422 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1203232020 is about 34687.6349727104. The cubic root of 1203232020 is about 1063.6117510957.
Adding to 1203232020 its reverse (202323021), we get a palindrome (1405555041).
The spelling of 1203232020 in words is "one billion, two hundred three million, two hundred thirty-two thousand, twenty".
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