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4231139 = 111931993
BaseRepresentation
bin10000001000111111100011
321221222000212
4100020333203
52040344024
6230404335
750651453
oct20107743
97858025
104231139
11242aa10
1215006ab
13b51b43
147c1d63
15588a0e
hex408fe3

4231139 has 8 divisors (see below), whose sum is σ = 4642032. Its totient is φ = 3824640.

The previous prime is 4231121. The next prime is 4231177. The reversal of 4231139 is 9311324.

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 4231139 - 28 = 4230883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4231109) 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 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (580254).

Almost surely, 24231139 is an apocalyptic number.

4231139 is a deficient number, since it is larger than the sum of its proper divisors (410893).

4231139 is a wasteful number, since it uses less digits than its factorization.

4231139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its digits is 648, while the sum is 23.

The square root of 4231139 is about 2056.9732618583. The cubic root of 4231139 is about 161.7406177894.

The spelling of 4231139 in words is "four million, two hundred thirty-one thousand, one hundred thirty-nine".

Divisors: 1 11 193 1993 2123 21923 384649 4231139