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4291231 = 72292677
BaseRepresentation
bin10000010111101010011111
322002000110111
4100113222133
52044304411
6231550451
751321610
oct20275237
98060414
104291231
11247107a
12152b427
13b732b9
147d9c07
1559b721
hex417a9f

4291231 has 8 divisors (see below), whose sum is σ = 4927520. Its totient is φ = 3660768.

The previous prime is 4291219. The next prime is 4291249. The reversal of 4291231 is 1321924.

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

It is a cyclic number.

It is not a de Polignac number, because 4291231 - 27 = 4291103 is a prime.

It is a super-2 number, since 2×42912312 = 36829326990722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291211) 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 7 ways as a sum of consecutive naturals, for example, 265 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (615940).

Almost surely, 24291231 is an apocalyptic number.

4291231 is a deficient number, since it is larger than the sum of its proper divisors (636289).

4291231 is a wasteful number, since it uses less digits than its factorization.

4291231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 432, while the sum is 22.

The square root of 4291231 is about 2071.5286626064. The cubic root of 4291231 is about 162.5027186922.

The spelling of 4291231 in words is "four million, two hundred ninety-one thousand, two hundred thirty-one".

Divisors: 1 7 229 1603 2677 18739 613033 4291231