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2030290 = 25297001
BaseRepresentation
bin111101111101011010010
310211011000221
413233223102
51004432130
6111303254
723154133
oct7575322
93734027
102030290
111167429
1281ab2a
13561172
143abc8a
152a187a
hex1efad2

2030290 has 16 divisors (see below), whose sum is σ = 3781080. Its totient is φ = 784000.

The previous prime is 2030267. The next prime is 2030291. The reversal of 2030290 is 920302.

It can be written as a sum of positive squares in 4 ways, for example, as 1580049 + 450241 = 1257^2 + 671^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2030291) 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, 3211 + ... + 3790.

22030290 is an apocalyptic number.

2030290 is a deficient number, since it is larger than the sum of its proper divisors (1750790).

2030290 is a wasteful number, since it uses less digits than its factorization.

2030290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2030290 is about 1424.8824512920. The cubic root of 2030290 is about 126.6249708869.

Adding to 2030290 its reverse (920302), we get a palindrome (2950592).

The spelling of 2030290 in words is "two million, thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 7001 14002 35005 70010 203029 406058 1015145 2030290