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494929188 = 2232131057541
BaseRepresentation
bin11101100000000…
…000010100100100
31021111022000012200
4131200000110210
52003200213223
6121040014500
715156554145
oct3540002444
91244260180
10494929188
11234413696
12119901430
137b6cb010
1449a35acc
152d6b5a43
hex1d800524

494929188 has 36 divisors (see below), whose sum is σ = 1347308508. Its totient is φ = 152285760.

The previous prime is 494929187. The next prime is 494929199. The reversal of 494929188 is 881929494.

It can be written as a sum of positive squares in 2 ways, for example, as 113039424 + 381889764 = 10632^2 + 19542^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4949291882 = 489909802268678688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494929187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528303 + ... + 529238.

Almost surely, 2494929188 is an apocalyptic number.

It is an amenable number.

494929188 is an abundant number, since it is smaller than the sum of its proper divisors (852379320).

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

494929188 is a wasteful number, since it uses less digits than its factorization.

494929188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057564 (or 1057559 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 494929188 is about 22247.0040230140. The cubic root of 494929188 is about 791.0082666395.

The spelling of 494929188 in words is "four hundred ninety-four million, nine hundred twenty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 1057541 2115082 3172623 4230164 6345246 9517869 12690492 13748033 19035738 27496066 38071476 41244099 54992132 82488198 123732297 164976396 247464594 494929188