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428941107 = 32789113677
BaseRepresentation
bin11001100100010…
…001111100110011
31002220010110120200
4121210101330303
51334302103412
6110321410243
713425640110
oct3144217463
91086113520
10428941107
11200142891
12bb799983
136ab3560a
1440d79907
15279cd9dc
hex19911f33

428941107 has 48 divisors (see below), whose sum is σ = 723453120. Its totient is φ = 239855616.

The previous prime is 428941069. The next prime is 428941153. The reversal of 428941107 is 701149824.

It is not a de Polignac number, because 428941107 - 26 = 428941043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428941157) 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, 633253 + ... + 633929.

It is an arithmetic number, because the mean of its divisors is an integer number (15071940).

Almost surely, 2428941107 is an apocalyptic number.

428941107 is a deficient number, since it is larger than the sum of its proper divisors (294512013).

428941107 is a wasteful number, since it uses less digits than its factorization.

428941107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 428941107 is about 20710.8934379954. The cubic root of 428941107 is about 754.1641595771.

The spelling of 428941107 in words is "four hundred twenty-eight million, nine hundred forty-one thousand, one hundred seven".

Divisors: 1 3 7 9 21 63 89 113 267 339 623 677 791 801 1017 1869 2031 2373 4739 5607 6093 7119 10057 14217 30171 42651 60253 70399 76501 90513 180759 211197 229503 421771 535507 542277 633591 688509 1265313 1606521 3795939 4819563 6808589 20425767 47660123 61277301 142980369 428941107