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403228089 = 3211194632
BaseRepresentation
bin11000000010001…
…100010110111001
31001002202002221200
4120002030112321
51311211244324
6104002324413
712664245045
oct3002142671
91032662850
10403228089
11197680260
12b3059709
1365701a04
143b7a5025
15255eeec9
hex1808c5b9

403228089 has 36 divisors (see below), whose sum is σ = 670278960. Its totient is φ = 231018480.

The previous prime is 403228079. The next prime is 403228097. The reversal of 403228089 is 980822304.

It is not a de Polignac number, because 403228089 - 212 = 403223993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403228039) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 870672 + ... + 871134.

It is an arithmetic number, because the mean of its divisors is an integer number (18618860).

Almost surely, 2403228089 is an apocalyptic number.

It is an amenable number.

403228089 is a deficient number, since it is larger than the sum of its proper divisors (267050871).

403228089 is a wasteful number, since it uses less digits than its factorization.

403228089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 403228089 is about 20080.5400574785. The cubic root of 403228089 is about 738.7830552002.

The spelling of 403228089 in words is "four hundred three million, two hundred twenty-eight thousand, eighty-nine".

Divisors: 1 3 9 11 19 33 57 99 171 209 463 627 1389 1881 4167 5093 8797 15279 26391 45837 79173 96767 214369 290301 643107 870903 1929321 2358059 4073011 7074177 12219033 21222531 36657099 44803121 134409363 403228089