Base | Representation |
---|---|
bin | 100100100110100… |
… | …1001101101010001 |
3 | 10011121001020021011 |
4 | 1021031021231101 |
5 | 10003403400101 |
6 | 321512130521 |
7 | 42302252353 |
oct | 11115115521 |
9 | 3147036234 |
10 | 1228184401 |
11 | 580307134 |
12 | 2a3396a41 |
13 | 1675b1c42 |
14 | b91890d3 |
15 | 72c56751 |
hex | 49349b51 |
1228184401 has 16 divisors (see below), whose sum is σ = 1297739520. Its totient is φ = 1160922240.
The previous prime is 1228184389. The next prime is 1228184407. The reversal of 1228184401 is 1044818221.
It is a cyclic number.
It is not a de Polignac number, because 1228184401 - 223 = 1219795793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1228184407) 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, 239181 + ... + 244261.
It is an arithmetic number, because the mean of its divisors is an integer number (81108720).
Almost surely, 21228184401 is an apocalyptic number.
It is an amenable number.
1228184401 is a deficient number, since it is larger than the sum of its proper divisors (69555119).
1228184401 is a wasteful number, since it uses less digits than its factorization.
1228184401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5304.
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 1228184401 is about 35045.4619173439. The cubic root of 1228184401 is about 1070.9138264285.
The spelling of 1228184401 in words is "one billion, two hundred twenty-eight million, one hundred eighty-four thousand, four hundred one".
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