Base | Representation |
---|---|
bin | 111101011110100… |
… | …101110100110011 |
3 | 2122212211001011220 |
4 | 331132211310303 |
5 | 4103021220202 |
6 | 250203040123 |
7 | 34363001610 |
oct | 7536456463 |
9 | 2585731156 |
10 | 1031429427 |
11 | 48a240216 |
12 | 249510043 |
13 | 1358c2992 |
14 | 9adad507 |
15 | 6083dabc |
hex | 3d7a5d33 |
1031429427 has 32 divisors (see below), whose sum is σ = 1666289664. Its totient is φ = 554947200.
The previous prime is 1031429407. The next prime is 1031429437. The reversal of 1031429427 is 7249241301.
It is not a de Polignac number, because 1031429427 - 26 = 1031429363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1031429407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2677 + ... + 45497.
It is an arithmetic number, because the mean of its divisors is an integer number (52071552).
Almost surely, 21031429427 is an apocalyptic number.
1031429427 is a deficient number, since it is larger than the sum of its proper divisors (634860237).
1031429427 is a wasteful number, since it uses less digits than its factorization.
1031429427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42899.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 1031429427 is about 32115.8749997567. The cubic root of 1031429427 is about 1010.3685963090.
The spelling of 1031429427 in words is "one billion, thirty-one million, four hundred twenty-nine thousand, four hundred twenty-seven".
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