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4292381 = 17892837
BaseRepresentation
bin10000010111111100011101
322002002001002
4100113330131
52044324011
6232000045
751325142
oct20277435
98062032
104292381
112471a25
121530025
13b73992
147da3c9
1559bc3b
hex417f1d

4292381 has 8 divisors (see below), whose sum is σ = 4597560. Its totient is φ = 3993088.

The previous prime is 4292363. The next prime is 4292383. The reversal of 4292381 is 1832924.

It can be written as a sum of positive squares in 4 ways, for example, as 24025 + 4268356 = 155^2 + 2066^2 .

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 4292381 - 26 = 4292317 is a prime.

It is a super-2 number, since 2×42923812 = 36849069298322, 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 (4292383) 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, 95 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (574695).

Almost surely, 24292381 is an apocalyptic number.

It is an amenable number.

4292381 is a deficient number, since it is larger than the sum of its proper divisors (305179).

4292381 is a wasteful number, since it uses less digits than its factorization.

4292381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its digits is 3456, while the sum is 29.

The square root of 4292381 is about 2071.8062168070. The cubic root of 4292381 is about 162.5172336752.

The spelling of 4292381 in words is "four million, two hundred ninety-two thousand, three hundred eighty-one".

Divisors: 1 17 89 1513 2837 48229 252493 4292381