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428253000 = 23353720393
BaseRepresentation
bin11001100001101…
…001111101001000
31002211211111200020
4121201221331020
51334113044000
6110254540440
713420043010
oct3141517510
91084744606
10428253000
111aa8128aa
12bb507720
136a954356
1440c3ac40
15278e4ba0
hex19869f48

428253000 has 128 divisors (see below), whose sum is σ = 1527102720. Its totient is φ = 97881600.

The previous prime is 428252987. The next prime is 428253011. The reversal of 428253000 is 352824.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10804 + ... + 31196.

It is an arithmetic number, because the mean of its divisors is an integer number (11930490).

Almost surely, 2428253000 is an apocalyptic number.

428253000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763551360).

428253000 is an abundant number, since it is smaller than the sum of its proper divisors (1098849720).

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

428253000 is a wasteful number, since it uses less digits than its factorization.

428253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424 (or 20410 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 428253000 is about 20694.2745705183. The cubic root of 428253000 is about 753.7606672143.

The spelling of 428253000 in words is "four hundred twenty-eight million, two hundred fifty-three thousand".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 125 140 150 168 175 200 210 250 280 300 350 375 420 500 525 600 700 750 840 875 1000 1050 1400 1500 1750 2100 2625 3000 3500 4200 5250 7000 10500 20393 21000 40786 61179 81572 101965 122358 142751 163144 203930 244716 285502 305895 407860 428253 489432 509825 571004 611790 713755 815720 856506 1019650 1142008 1223580 1427510 1529475 1713012 2039300 2141265 2447160 2549125 2855020 3058950 3426024 3568775 4078600 4282530 5098250 5710040 6117900 7137550 7647375 8565060 10196500 10706325 12235800 14275100 15294750 17130120 17843875 20393000 21412650 28550200 30589500 35687750 42825300 53531625 61179000 71375500 85650600 107063250 142751000 214126500 428253000