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3201000 = 233531197
BaseRepresentation
bin1100001101011111101000
320000121221120
430031133220
51304413000
6152335240
736131235
oct14153750
96017846
103201000
111896a60
1210a4520
13880caa
145d478c
154336a0
hex30d7e8

3201000 has 128 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 768000.

The previous prime is 3200999. The next prime is 3201007. The reversal of 3201000 is 1023.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32952 + ... + 33048.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

Almost surely, 23201000 is an apocalyptic number.

3201000 is a gapful number since it is divisible by the number (30) 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 3201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

3201000 is an abundant number, since it is smaller than the sum of its proper divisors (7806360).

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

3201000 is a wasteful number, since it uses less digits than its factorization.

3201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 3201000 is about 1789.1338686638. The cubic root of 3201000 is about 147.3766084782.

Adding to 3201000 its reverse (1023), we get a palindrome (3202023).

The spelling of 3201000 in words is "three million, two hundred one thousand".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 25 30 33 40 44 50 55 60 66 75 88 97 100 110 120 125 132 150 165 194 200 220 250 264 275 291 300 330 375 388 440 485 500 550 582 600 660 750 776 825 970 1000 1067 1100 1164 1320 1375 1455 1500 1650 1940 2134 2200 2328 2425 2750 2910 3000 3201 3300 3880 4125 4268 4850 5335 5500 5820 6402 6600 7275 8250 8536 9700 10670 11000 11640 12125 12804 14550 16005 16500 19400 21340 24250 25608 26675 29100 32010 33000 36375 42680 48500 53350 58200 64020 72750 80025 97000 106700 128040 133375 145500 160050 213400 266750 291000 320100 400125 533500 640200 800250 1067000 1600500 3201000