Base | Representation |
---|---|
bin | 11001100100100… |
… | …000110100000011 |
3 | 1002220020120002111 |
4 | 121210200310003 |
5 | 1334311030422 |
6 | 110323000151 |
7 | 13426312441 |
oct | 3144406403 |
9 | 1086216074 |
10 | 429001987 |
11 | 2001845a7 |
12 | bb809057 |
13 | 6ab5723b |
14 | 40d93b91 |
15 | 279e1a77 |
hex | 19920d03 |
429001987 has 8 divisors (see below), whose sum is σ = 454821696. Its totient is φ = 403247232.
The previous prime is 429001967. The next prime is 429002033. The reversal of 429001987 is 789100924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 429001987 - 211 = 428999939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (429001907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283 + ... + 29380.
It is an arithmetic number, because the mean of its divisors is an integer number (56852712).
Almost surely, 2429001987 is an apocalyptic number.
429001987 is a deficient number, since it is larger than the sum of its proper divisors (25819709).
429001987 is a wasteful number, since it uses less digits than its factorization.
429001987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32477.
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 429001987 is about 20712.3631437844. The cubic root of 429001987 is about 754.1998376234.
The spelling of 429001987 in words is "four hundred twenty-nine million, one thousand, nine hundred eighty-seven".
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