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428901473 = 71113428473
BaseRepresentation
bin11001100100001…
…000010001100001
31002220001110012202
4121210020101201
51334244321343
6110320502545
713425413420
oct3144102141
91086043182
10428901473
11200116030
12bb77aa55
136ab20570
1440d692b7
15279c1db8
hex19908461

428901473 has 16 divisors (see below), whose sum is σ = 575869056. Its totient is φ = 308499840.

The previous prime is 428901469. The next prime is 428901481. The reversal of 428901473 is 374109824.

It is not a de Polignac number, because 428901473 - 22 = 428901469 is a prime.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (428901173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213236 + ... + 215237.

It is an arithmetic number, because the mean of its divisors is an integer number (35991816).

Almost surely, 2428901473 is an apocalyptic number.

It is an amenable number.

428901473 is a deficient number, since it is larger than the sum of its proper divisors (146967583).

428901473 is a wasteful number, since it uses less digits than its factorization.

428901473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428504.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 428901473 is about 20709.9365764360. The cubic root of 428901473 is about 754.1409306983.

The spelling of 428901473 in words is "four hundred twenty-eight million, nine hundred one thousand, four hundred seventy-three".

Divisors: 1 7 11 13 77 91 143 1001 428473 2999311 4713203 5570149 32992421 38991043 61271639 428901473