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2250290 = 257173161
BaseRepresentation
bin1000100101011000110010
311020022211002
420211120302
51034002130
6120122002
725061420
oct10453062
94208732
102250290
1112a7749
12906302
1360a343
14428110
152e6b45
hex225632

2250290 has 64 divisors (see below), whose sum is σ = 5142528. Its totient is φ = 691200.

The previous prime is 2250263. The next prime is 2250337. The reversal of 2250290 is 920522.

It is a Curzon 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, 36860 + ... + 36920.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

22250290 is an apocalyptic number.

2250290 is an abundant number, since it is smaller than the sum of its proper divisors (2892238).

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

2250290 is a wasteful number, since it uses less digits than its factorization.

2250290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2250290 is about 1500.0966635521. The cubic root of 2250290 is about 131.0426992094.

The spelling of 2250290 in words is "two million, two hundred fifty thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 17 31 34 35 61 62 70 85 119 122 155 170 217 238 305 310 427 434 527 595 610 854 1037 1054 1085 1190 1891 2074 2135 2170 2635 3689 3782 4270 5185 5270 7259 7378 9455 10370 13237 14518 18445 18910 26474 32147 36295 36890 64294 66185 72590 132370 160735 225029 321470 450058 1125145 2250290