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4290197 = 19322229
BaseRepresentation
bin10000010111011010010101
322001222001012
4100113122111
52044241242
6231542005
751315602
oct20273225
98058035
104290197
11247031a
12152a905
13b729a2
147d96a9
1559b282
hex417695

4290197 has 4 divisors (see below), whose sum is σ = 4312620. Its totient is φ = 4267776.

The previous prime is 4290193. The next prime is 4290217. The reversal of 4290197 is 7910924.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 3189796 = 1049^2 + 1786^2 .

It is a cyclic number.

It is not a de Polignac number, because 4290197 - 22 = 4290193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10922 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (1078155).

Almost surely, 24290197 is an apocalyptic number.

It is an amenable number.

4290197 is a deficient number, since it is larger than the sum of its proper divisors (22423).

4290197 is a wasteful number, since it uses less digits than its factorization.

4290197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22422.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4290197 is about 2071.2790734230. The cubic root of 4290197 is about 162.4896656150.

The spelling of 4290197 in words is "four million, two hundred ninety thousand, one hundred ninety-seven".

Divisors: 1 193 22229 4290197