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8016420 = 22352337157
BaseRepresentation
bin11110100101001000100100
3120002021110110
4132211020210
54023011140
6443453020
7125065326
oct36451044
916067413
108016420
114585945
122827170
131878a59
1410c9616
15a85380
hex7a5224

8016420 has 96 divisors (see below), whose sum is σ = 24208128. Its totient is φ = 1976832.

The previous prime is 8016419. The next prime is 8016433. The reversal of 8016420 is 246108.

It is a congruent number.

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, 50982 + ... + 51138.

It is an arithmetic number, because the mean of its divisors is an integer number (252168).

Almost surely, 28016420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8016420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12104064).

8016420 is an abundant number, since it is smaller than the sum of its proper divisors (16191708).

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

8016420 is a wasteful number, since it uses less digits than its factorization.

8016420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8016420 is about 2831.3283101753. The cubic root of 8016420 is about 200.1367398231.

The spelling of 8016420 in words is "eight million, sixteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 37 46 60 69 74 92 111 115 138 148 157 185 222 230 276 314 345 370 444 460 471 555 628 690 740 785 851 942 1110 1380 1570 1702 1884 2220 2355 2553 3140 3404 3611 4255 4710 5106 5809 7222 8510 9420 10212 10833 11618 12765 14444 17020 17427 18055 21666 23236 25530 29045 34854 36110 43332 51060 54165 58090 69708 72220 87135 108330 116180 133607 174270 216660 267214 348540 400821 534428 668035 801642 1336070 1603284 2004105 2672140 4008210 8016420