Base | Representation |
---|---|
bin | 100011111000101… |
… | …1001101001001111 |
3 | 10002220210021011110 |
4 | 1013301121221033 |
5 | 4431224214211 |
6 | 315252423103 |
7 | 41560646115 |
oct | 10761315117 |
9 | 3086707143 |
10 | 1204132431 |
11 | 568779577 |
12 | 297317a93 |
13 | 1626103c8 |
14 | b5cc7ab5 |
15 | 70aa4ea6 |
hex | 47c59a4f |
1204132431 has 16 divisors (see below), whose sum is σ = 1618477056. Its totient is φ = 796298016.
The previous prime is 1204132427. The next prime is 1204132439. The reversal of 1204132431 is 1342314021.
It is not a de Polignac number, because 1204132431 - 22 = 1204132427 is a prime.
It is a super-2 number, since 2×12041324312 = 2899869822771939522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1204132398 and 1204132407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1204132439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192946 + ... + 199088.
It is an arithmetic number, because the mean of its divisors is an integer number (101154816).
Almost surely, 21204132431 is an apocalyptic number.
1204132431 is a deficient number, since it is larger than the sum of its proper divisors (414344625).
1204132431 is a wasteful number, since it uses less digits than its factorization.
1204132431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6662.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1204132431 is about 34700.6113923083. The cubic root of 1204132431 is about 1063.8769947384.
Adding to 1204132431 its reverse (1342314021), we get a palindrome (2546446452).
The spelling of 1204132431 in words is "one billion, two hundred four million, one hundred thirty-two thousand, four hundred thirty-one".
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