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4187393 = 7297881
BaseRepresentation
bin1111111110010100000001
321212202000122
433332110001
52032444033
6225430025
750410100
oct17762401
97782018
104187393
112400061
12149b315
13b37c62
147b0037
1557aa98
hex3fe501

4187393 has 12 divisors (see below), whose sum is σ = 4926852. Its totient is φ = 3548160.

The previous prime is 4187369. The next prime is 4187399. The reversal of 4187393 is 3937814.

It can be written as a sum of positive squares in 2 ways, for example, as 1270129 + 2917264 = 1127^2 + 1708^2 .

It is not a de Polignac number, because 4187393 - 26 = 4187329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4187399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4313 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (410571).

Almost surely, 24187393 is an apocalyptic number.

It is an amenable number.

4187393 is a deficient number, since it is larger than the sum of its proper divisors (739459).

4187393 is an equidigital number, since it uses as much as digits as its factorization.

4187393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 985 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 4187393 is about 2046.3120485400. The cubic root of 4187393 is about 161.1812703108.

The spelling of 4187393 in words is "four million, one hundred eighty-seven thousand, three hundred ninety-three".

Divisors: 1 7 49 97 679 881 4753 6167 43169 85457 598199 4187393