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428050 = 25271223
BaseRepresentation
bin1101000100000010010
3210202011201
41220200102
5102144200
613101414
73431650
oct1504022
9722151
10428050
11272667
1218786a
1311caac
14b1dd0
1586c6a
hex68812

428050 has 24 divisors (see below), whose sum is σ = 910656. Its totient is φ = 146640.

The previous prime is 428047. The next prime is 428083. The reversal of 428050 is 50824.

428050 = T56 + T57 + ... + T139.

It is a happy number.

428050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (37944).

2428050 is an apocalyptic number.

428050 is an abundant number, since it is smaller than the sum of its proper divisors (482606).

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

428050 is a wasteful number, since it uses less digits than its factorization.

428050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 428050 is about 654.2553018509. The cubic root of 428050 is about 75.3641549466.

Adding to 428050 its reverse (50824), we get a palindrome (478874).

The spelling of 428050 in words is "four hundred twenty-eight thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1223 2446 6115 8561 12230 17122 30575 42805 61150 85610 214025 428050