Search a number
-
+
492469398 = 232191439969
BaseRepresentation
bin11101010110100…
…111110010010110
31021022200001000100
4131112213302112
52002033010043
6120511154530
715126630561
oct3526476226
91238601010
10492469398
11232a93603
12118b15a46
137b049515
14495954d8
152d37bcd3
hex1d5a7c96

492469398 has 24 divisors (see below), whose sum is σ = 1123176600. Its totient is φ = 155516544.

The previous prime is 492469391. The next prime is 492469423. The reversal of 492469398 is 893964294.

492469398 is a `hidden beast` number, since 4 + 9 + 246 + 9 + 398 = 666.

It is a super-2 number, since 2×4924693982 = 485052215932964808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492469391) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 719643 + ... + 720326.

It is an arithmetic number, because the mean of its divisors is an integer number (46799025).

Almost surely, 2492469398 is an apocalyptic number.

492469398 is an abundant number, since it is smaller than the sum of its proper divisors (630707202).

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

492469398 is a wasteful number, since it uses less digits than its factorization.

492469398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439996 (or 1439993 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 492469398 is about 22191.6515383601. The cubic root of 492469398 is about 789.6956569501.

The spelling of 492469398 in words is "four hundred ninety-two million, four hundred sixty-nine thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 1439969 2879938 4319907 8639814 12959721 25919442 27359411 54718822 82078233 164156466 246234699 492469398