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428089260 = 223537192833
BaseRepresentation
bin11001100001000…
…001111110101100
31002211112012001210
4121201001332230
51334042324020
6110251234420
713415461434
oct3141017654
91084465053
10428089260
111aa710885
12bb448a10
136a8c7971
1440bd72c4
15278b13e0
hex19841fac

428089260 has 48 divisors (see below), whose sum is σ = 1231052256. Its totient is φ = 111071232.

The previous prime is 428089253. The next prime is 428089279. The reversal of 428089260 is 62980824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94197 + ... + 98636.

It is an arithmetic number, because the mean of its divisors is an integer number (25646922).

Almost surely, 2428089260 is an apocalyptic number.

It is an amenable number.

428089260 is an abundant number, since it is smaller than the sum of its proper divisors (802962996).

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

428089260 is a wasteful number, since it uses less digits than its factorization.

428089260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192882 (or 192880 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 428089260 is about 20690.3180255887. The cubic root of 428089260 is about 753.6645896583.

The spelling of 428089260 in words is "four hundred twenty-eight million, eighty-nine thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 192833 385666 578499 771332 964165 1156998 1928330 2313996 2892495 3856660 5784990 7134821 11569980 14269642 21404463 28539284 35674105 42808926 71348210 85617852 107022315 142696420 214044630 428089260