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498909894 = 23741289727
BaseRepresentation
bin11101101111001…
…100001011000110
31021202210020201020
4131233030023012
52010210104034
6121301212010
715235443540
oct3557141306
91252706636
10498909894
1123669242a
1211b101006
137c492b72
144a390690
152dc00249
hex1dbcc2c6

498909894 has 32 divisors (see below), whose sum is σ = 1168183296. Its totient is φ = 139068480.

The previous prime is 498909883. The next prime is 498909937.

498909894 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4989098942 = 497822164662182472, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143142 + ... + 146585.

It is an arithmetic number, because the mean of its divisors is an integer number (36505728).

Almost surely, 2498909894 is an apocalyptic number.

498909894 is an abundant number, since it is smaller than the sum of its proper divisors (669273402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498909894 is a wasteful number, since it uses less digits than its factorization.

498909894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289780.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 498909894 is about 22336.2909633627. The cubic root of 498909894 is about 793.1232944812.

The spelling of 498909894 in words is "four hundred ninety-eight million, nine hundred nine thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 861 1722 289727 579454 869181 1738362 2028089 4056178 6084267 11878807 12168534 23757614 35636421 71272842 83151649 166303298 249454947 498909894