Base | Representation |
---|---|
bin | 11011111101101… |
… | …001000110111101 |
3 | 1012200202222120121 |
4 | 123331221012331 |
5 | 1430100101442 |
6 | 114315214541 |
7 | 14424441520 |
oct | 3375510675 |
9 | 1180688517 |
10 | 469143997 |
11 | 220901913 |
12 | 111147451 |
13 | 762705ca |
14 | 46442bb7 |
15 | 2b2c0967 |
hex | 1bf691bd |
469143997 has 8 divisors (see below), whose sum is σ = 537316416. Its totient is φ = 401259552.
The previous prime is 469143947. The next prime is 469144007. The reversal of 469143997 is 799341964.
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 469143997 - 211 = 469141949 is a prime.
It is a super-2 number, since 2×4691439972 = 440192179842272018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (469143907) 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 7 ways as a sum of consecutive naturals, for example, 68488 + ... + 75025.
It is an arithmetic number, because the mean of its divisors is an integer number (67164552).
Almost surely, 2469143997 is an apocalyptic number.
It is an amenable number.
469143997 is a deficient number, since it is larger than the sum of its proper divisors (68172419).
469143997 is a wasteful number, since it uses less digits than its factorization.
469143997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143987.
The product of its digits is 1469664, while the sum is 52.
The square root of 469143997 is about 21659.7321543919. The cubic root of 469143997 is about 777.0257082562.
The spelling of 469143997 in words is "four hundred sixty-nine million, one hundred forty-three thousand, nine hundred ninety-seven".
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