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8214000 = 24353372
BaseRepresentation
bin11111010101010111110000
3120110022111020
4133111113300
54100322000
6452015440
7126550344
oct37252760
916408436
108214000
114700333
122901580
131917972
14113b624
15ac3ba0
hex7d55f0

8214000 has 120 divisors (see below), whose sum is σ = 27217008. Its totient is φ = 2131200.

The previous prime is 8213987. The next prime is 8214007. The reversal of 8214000 is 4128.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8214007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221982 + ... + 222018.

Almost surely, 28214000 is an apocalyptic number.

8214000 is a gapful number since it is divisible by the number (80) 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 8214000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608504).

8214000 is an abundant number, since it is smaller than the sum of its proper divisors (19003008).

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

8214000 is a wasteful number, since it uses less digits than its factorization.

8214000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8214000 is about 2866.0076761935. The cubic root of 8214000 is about 201.7676641235.

Multiplying 8214000 by its sum of digits (15), we get a square (123210000 = 111002).

8214000 divided by its sum of digits (15) gives a square (547600 = 7402).

Adding to 8214000 its reverse (4128), we get a palindrome (8218128).

The spelling of 8214000 in words is "eight million, two hundred fourteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 37 40 48 50 60 74 75 80 100 111 120 125 148 150 185 200 222 240 250 296 300 370 375 400 444 500 555 592 600 740 750 888 925 1000 1110 1200 1369 1480 1500 1776 1850 2000 2220 2738 2775 2960 3000 3700 4107 4440 4625 5476 5550 6000 6845 7400 8214 8880 9250 10952 11100 13690 13875 14800 16428 18500 20535 21904 22200 27380 27750 32856 34225 37000 41070 44400 54760 55500 65712 68450 74000 82140 102675 109520 111000 136900 164280 171125 205350 222000 273800 328560 342250 410700 513375 547600 684500 821400 1026750 1369000 1642800 2053500 2738000 4107000 8214000