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499758142 = 21321191097
BaseRepresentation
bin11101110010011…
…011010000111110
31021211101100021211
4131302123100332
52010414230032
6121331315034
715245605552
oct3562332076
91254340254
10499758142
11237111764
1211b44ba7a
137c6cbca0
144a531862
152dd1b747
hex1dc9b43e

499758142 has 16 divisors (see below), whose sum is σ = 811136592. Its totient is φ = 229561920.

The previous prime is 499758113. The next prime is 499758157. The reversal of 499758142 is 241857994.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40063 + ... + 51034.

It is an arithmetic number, because the mean of its divisors is an integer number (50696037).

Almost surely, 2499758142 is an apocalyptic number.

499758142 is a deficient number, since it is larger than the sum of its proper divisors (311378450).

499758142 is a wasteful number, since it uses less digits than its factorization.

499758142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91323.

The product of its digits is 725760, while the sum is 49.

The square root of 499758142 is about 22355.2710115534. The cubic root of 499758142 is about 793.5725301295.

It can be divided in two parts, 499 and 758142, that added together give a square (758641 = 8712).

The spelling of 499758142 in words is "four hundred ninety-nine million, seven hundred fifty-eight thousand, one hundred forty-two".

Divisors: 1 2 13 26 211 422 2743 5486 91097 182194 1184261 2368522 19221467 38442934 249879071 499758142