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498809143 = 7283325153
BaseRepresentation
bin11101101110110…
…011100100110111
31021202121010111201
4131232303210313
52010143343033
6121255113331
715234544030
oct3556634467
91252533451
10498809143
11236623768
1211b072847
137c459051
144a365a87
152dbd047d
hex1dbb3937

498809143 has 8 divisors (see below), whose sum is σ = 570291488. Its totient is φ = 427382784.

The previous prime is 498809123. The next prime is 498809149. The reversal of 498809143 is 341908894.

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 498809143 - 217 = 498678071 is a prime.

It is a super-2 number, since 2×4988091432 = 497621122280788898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498809093 and 498809102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498809149) 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, 7255 + ... + 32407.

It is an arithmetic number, because the mean of its divisors is an integer number (71286436).

Almost surely, 2498809143 is an apocalyptic number.

498809143 is a deficient number, since it is larger than the sum of its proper divisors (71482345).

498809143 is a wasteful number, since it uses less digits than its factorization.

498809143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27993.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 498809143 is about 22334.0355287619. The cubic root of 498809143 is about 793.0699025124.

The spelling of 498809143 in words is "four hundred ninety-eight million, eight hundred nine thousand, one hundred forty-three".

Divisors: 1 7 2833 19831 25153 176071 71258449 498809143