Base | Representation |
---|---|
bin | 100100100111110… |
… | …1010010011111000 |
3 | 10011122021122122021 |
4 | 1021033222103320 |
5 | 10004040422412 |
6 | 321534204224 |
7 | 42310662262 |
oct | 11117522370 |
9 | 3148248567 |
10 | 1228842232 |
11 | 5807163a2 |
12 | 2a3653674 |
13 | 1677824a7 |
14 | b92bab32 |
15 | 72d36607 |
hex | 493ea4f8 |
1228842232 has 24 divisors (see below), whose sum is σ = 2380816800. Its totient is φ = 594597360.
The previous prime is 1228842217. The next prime is 1228842247. The reversal of 1228842232 is 2322488221.
It is an interprime number because it is at equal distance from previous prime (1228842217) and next prime (1228842247).
It is a super-2 number, since 2×12288422322 = 3020106462293483648, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72232 + ... + 87607.
It is an arithmetic number, because the mean of its divisors is an integer number (99200700).
Almost surely, 21228842232 is an apocalyptic number.
It is an amenable number.
1228842232 is a deficient number, since it is larger than the sum of its proper divisors (1151974568).
1228842232 is a wasteful number, since it uses less digits than its factorization.
1228842232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159907 (or 159872 counting only the distinct ones).
The product of its digits is 24576, while the sum is 34.
The square root of 1228842232 is about 35054.8460558594. The cubic root of 1228842232 is about 1071.1049906039.
The spelling of 1228842232 in words is "one billion, two hundred twenty-eight million, eight hundred forty-two thousand, two hundred thirty-two".
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