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2250245 = 54211069
BaseRepresentation
bin1000100101011000000101
311020022202102
420211120011
51034001440
6120121445
725061324
oct10453005
94208672
102250245
1112a7708
12906285
1360a30a
144280bb
152e6b15
hex225605

2250245 has 8 divisors (see below), whose sum is σ = 2709240. Its totient is φ = 1794240.

The previous prime is 2250223. The next prime is 2250247. The reversal of 2250245 is 5420522.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 2244004 = 79^2 + 1498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2250245 - 26 = 2250181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (338655).

22250245 is an apocalyptic number.

It is an amenable number.

2250245 is a deficient number, since it is larger than the sum of its proper divisors (458995).

2250245 is a wasteful number, since it uses less digits than its factorization.

2250245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2250245 is about 1500.0816644436. The cubic root of 2250245 is about 131.0418256981.

Adding to 2250245 its reverse (5420522), we get a palindrome (7670767).

The spelling of 2250245 in words is "two million, two hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 421 1069 2105 5345 450049 2250245