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8006250 = 2355761
BaseRepresentation
bin11110100010101001101010
3120001202111210
4132202221222
54022200000
6443333550
7125023560
oct36425152
916052453
108006250
11457923a
1228212b6
131874235
1410c5a30
15a82350
hex7a2a6a

8006250 has 96 divisors (see below), whose sum is σ = 23248512. Its totient is φ = 1800000.

The previous prime is 8006237. The next prime is 8006279. The reversal of 8006250 is 526008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131220 + ... + 131280.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 28006250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8006250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11624256).

8006250 is an abundant number, since it is smaller than the sum of its proper divisors (15242262).

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

8006250 is an equidigital number, since it uses as much as digits as its factorization.

8006250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8006250 is about 2829.5317633842. The cubic root of 8006250 is about 200.0520697758.

It can be divided in two parts, 8006 and 250, that added together give a triangular number (8256 = T128).

The spelling of 8006250 in words is "eight million, six thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 61 70 75 105 122 125 150 175 183 210 250 305 350 366 375 427 525 610 625 750 854 875 915 1050 1250 1281 1525 1750 1830 1875 2135 2562 2625 3050 3125 3750 4270 4375 4575 5250 6250 6405 7625 8750 9150 9375 10675 12810 13125 15250 18750 21350 21875 22875 26250 32025 38125 43750 45750 53375 64050 65625 76250 106750 114375 131250 160125 190625 228750 266875 320250 381250 533750 571875 800625 1143750 1334375 1601250 2668750 4003125 8006250