Search a number
-
+
103438144 = 261616221
BaseRepresentation
bin1100010101001…
…01011101000000
321012122012110101
412022211131000
5202440010034
614133012144
72364131635
oct612453500
9235565411
10103438144
115342a677
122a784054
1318578704
14da4818c
159133514
hex62a5740

103438144 has 14 divisors (see below), whose sum is σ = 205260194. Its totient is φ = 51719040.

The previous prime is 103438087. The next prime is 103438187. The reversal of 103438144 is 441834301.

It can be written as a sum of positive squares in only one way, i.e., 90478144 + 12960000 = 9512^2 + 3600^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 808047 + ... + 808174.

Almost surely, 2103438144 is an apocalyptic number.

It is an amenable number.

103438144 is a deficient number, since it is larger than the sum of its proper divisors (101822050).

103438144 is an equidigital number, since it uses as much as digits as its factorization.

103438144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616233 (or 1616223 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 103438144 is about 10170.4544637887. The cubic root of 103438144 is about 469.4185415484.

The spelling of 103438144 in words is "one hundred three million, four hundred thirty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 1616221 3232442 6464884 12929768 25859536 51719072 103438144