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103143383 = 723756891
BaseRepresentation
bin1100010010111…
…01011111010111
321012002020010022
412021131133113
5202401042013
614122415355
72361463400
oct611353727
9235066108
10103143383
1153249172
122a66155b
13184a44b5
14d9ac9a7
1590c6008
hex625d7d7

103143383 has 12 divisors (see below), whose sum is σ = 123228072. Its totient is φ = 86017680.

The previous prime is 103143377. The next prime is 103143407. The reversal of 103143383 is 383341301.

It is not a de Polignac number, because 103143383 - 24 = 103143367 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 (103143323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26633 + ... + 30258.

It is an arithmetic number, because the mean of its divisors is an integer number (10269006).

Almost surely, 2103143383 is an apocalyptic number.

103143383 is a deficient number, since it is larger than the sum of its proper divisors (20084689).

103143383 is an equidigital number, since it uses as much as digits as its factorization.

103143383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56942 (or 56935 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 103143383 is about 10155.9530818136. The cubic root of 103143383 is about 468.9722267655.

Adding to 103143383 its reverse (383341301), we get a palindrome (486484684).

The spelling of 103143383 in words is "one hundred three million, one hundred forty-three thousand, three hundred eighty-three".

Divisors: 1 7 37 49 259 1813 56891 398237 2104967 2787659 14734769 103143383