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428800029 = 37231731289
BaseRepresentation
bin11001100011101…
…111100000011101
31002212212022001120
4121203233200131
51334233100104
6110314401153
713424511600
oct3143574035
91085768046
10428800029
11200056899
12bb7301b9
136aab6338
1440d40337
15279a1cd9
hex198ef81d

428800029 has 48 divisors (see below), whose sum is σ = 696476160. Its totient is φ = 233694720.

The previous prime is 428800013. The next prime is 428800033. The reversal of 428800029 is 920008824.

It is not a de Polignac number, because 428800029 - 24 = 428800013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428800069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332017 + ... + 333305.

It is an arithmetic number, because the mean of its divisors is an integer number (14509920).

Almost surely, 2428800029 is an apocalyptic number.

428800029 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

428800029 is a deficient number, since it is larger than the sum of its proper divisors (267676131).

428800029 is a wasteful number, since it uses less digits than its factorization.

428800029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 428800029 is about 20707.4872691015. The cubic root of 428800029 is about 754.0814694081.

The spelling of 428800029 in words is "four hundred twenty-eight million, eight hundred thousand, twenty-nine".

Divisors: 1 3 7 21 31 49 73 93 147 217 219 511 651 1289 1519 1533 2263 3577 3867 4557 6789 9023 10731 15841 27069 39959 47523 63161 94097 110887 119877 189483 279713 282291 332661 658679 839139 1957991 1976037 2917007 4610753 5873973 8751021 13832259 20419049 61257147 142933343 428800029