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428892 = 223103347
BaseRepresentation
bin1101000101101011100
3210210022220
41220231130
5102211032
613105340
73434262
oct1505534
9723286
10428892
11273262
12188250
131202a9
14b2432
158712c
hex68b5c

428892 has 24 divisors (see below), whose sum is σ = 1013376. Its totient is φ = 141168.

The previous prime is 428873. The next prime is 428899. The reversal of 428892 is 298824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (42224).

2428892 is an apocalyptic number.

It is an amenable number.

428892 is an abundant number, since it is smaller than the sum of its proper divisors (584484).

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

428892 is a wasteful number, since it uses less digits than its factorization.

428892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 455 counting only the distinct ones).

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

The square root of 428892 is about 654.8984654128. The cubic root of 428892 is about 75.4135378507.

The spelling of 428892 in words is "four hundred twenty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 103 206 309 347 412 618 694 1041 1236 1388 2082 4164 35741 71482 107223 142964 214446 428892