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4145263 = 17243839
BaseRepresentation
bin1111110100000001101111
321210121020021
433310001233
52030122023
6224503011
750143213
oct17640157
97717207
104145263
112381441
12147aa67
13b21a25
1479c943
1556d35d
hex3f406f

4145263 has 4 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 3901408.

The previous prime is 4145261. The next prime is 4145291. The reversal of 4145263 is 3625414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4145263 - 21 = 4145261 is a prime.

It is a Duffinian number.

4145263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121903 + ... + 121936.

It is an arithmetic number, because the mean of its divisors is an integer number (1097280).

Almost surely, 24145263 is an apocalyptic number.

4145263 is a deficient number, since it is larger than the sum of its proper divisors (243857).

4145263 is a wasteful number, since it uses less digits than its factorization.

4145263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243856.

The product of its digits is 2880, while the sum is 25.

The square root of 4145263 is about 2035.9918958581. The cubic root of 4145263 is about 160.6388907829.

The spelling of 4145263 in words is "four million, one hundred forty-five thousand, two hundred sixty-three".

Divisors: 1 17 243839 4145263