Base | Representation |
---|---|
bin | 111110100111100… |
… | …011000000111111 |
3 | 2201012210200202101 |
4 | 332213203000333 |
5 | 4122420220211 |
6 | 252125005531 |
7 | 35014364623 |
oct | 7647430077 |
9 | 2635720671 |
10 | 1050554431 |
11 | 49a013103 |
12 | 2539b38a7 |
13 | 13985aa54 |
14 | 9d74b183 |
15 | 6236a5c1 |
hex | 3e9e303f |
1050554431 has 4 divisors (see below), whose sum is σ = 1078947832. Its totient is φ = 1022161032.
The previous prime is 1050554399. The next prime is 1050554447. The reversal of 1050554431 is 1344550501.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1050554431 - 25 = 1050554399 is a prime.
It is a super-2 number, since 2×10505544312 = 2207329224987467522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1050554431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1050554731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14196645 + ... + 14196718.
It is an arithmetic number, because the mean of its divisors is an integer number (269736958).
Almost surely, 21050554431 is an apocalyptic number.
1050554431 is a deficient number, since it is larger than the sum of its proper divisors (28393401).
1050554431 is an equidigital number, since it uses as much as digits as its factorization.
1050554431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28393400.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 1050554431 is about 32412.2574190691. The cubic root of 1050554431 is about 1016.5752210981.
The spelling of 1050554431 in words is "one billion, fifty million, five hundred fifty-four thousand, four hundred thirty-one".
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