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428092 = 22715289
BaseRepresentation
bin1101000100000111100
3210202020021
41220200330
5102144332
613101524
73432040
oct1504074
9722207
10428092
112726a5
121878a4
1311cb12
14b2020
1586c97
hex6883c

428092 has 12 divisors (see below), whose sum is σ = 856240. Its totient is φ = 183456.

The previous prime is 428083. The next prime is 428093. The reversal of 428092 is 290824.

428092 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7617 + ... + 7672.

2428092 is an apocalyptic number.

It is an amenable number.

428092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428092 is a wasteful number, since it uses less digits than its factorization.

428092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15300 (or 15298 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 428092 is about 654.2873986254. The cubic root of 428092 is about 75.3666197607.

The spelling of 428092 in words is "four hundred twenty-eight thousand, ninety-two".

Divisors: 1 2 4 7 14 28 15289 30578 61156 107023 214046 428092