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20060000 = 25541759
BaseRepresentation
bin100110010000…
…1011101100000
31101202011010222
41030201131200
520113410000
61553542212
7332335652
oct114413540
941664128
1020060000
1110361414
126874968
13420482c
1429426d2
151b63a85
hex1321760

20060000 has 120 divisors (see below), whose sum is σ = 53139240. Its totient is φ = 7424000.

The previous prime is 20059999. The next prime is 20060003. The reversal of 20060000 is 6002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20060000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 339971 + ... + 340029.

It is an arithmetic number, because the mean of its divisors is an integer number (442827).

Almost surely, 220060000 is an apocalyptic number.

20060000 is a gapful number since it is divisible by the number (20) 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 20060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26569620).

20060000 is an abundant number, since it is smaller than the sum of its proper divisors (33079240).

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

20060000 is an equidigital number, since it uses as much as digits as its factorization.

20060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20060000 is about 4478.8391353117. The cubic root of 20060000 is about 271.7129324309.

Adding to 20060000 its reverse (6002), we get a palindrome (20066002).

The spelling of 20060000 in words is "twenty million, sixty thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 59 68 80 85 100 118 125 136 160 170 200 236 250 272 295 340 400 425 472 500 544 590 625 680 800 850 944 1000 1003 1180 1250 1360 1475 1700 1888 2000 2006 2125 2360 2500 2720 2950 3400 4000 4012 4250 4720 5000 5015 5900 6800 7375 8024 8500 9440 10000 10030 10625 11800 13600 14750 16048 17000 20000 20060 21250 23600 25075 29500 32096 34000 36875 40120 42500 47200 50150 59000 68000 73750 80240 85000 100300 118000 125375 147500 160480 170000 200600 236000 250750 295000 340000 401200 501500 590000 626875 802400 1003000 1180000 1253750 2006000 2507500 4012000 5015000 10030000 20060000