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103988028 = 2239419209
BaseRepresentation
bin1100011001010…
…11101100111100
321020200010202110
412030223230330
5203110104103
614152454020
72401612044
oct614535474
9236603673
10103988028
1153775821
122a9aa310
131870baa1
14db4c724
1591e1403
hex632bb3c

103988028 has 24 divisors (see below), whose sum is σ = 242922960. Its totient is φ = 34622080.

The previous prime is 103988011. The next prime is 103988029. The reversal of 103988028 is 820889301.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103988029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6688 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (10121790).

Almost surely, 2103988028 is an apocalyptic number.

It is an amenable number.

103988028 is an abundant number, since it is smaller than the sum of its proper divisors (138934932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103988028 is a wasteful number, since it uses less digits than its factorization.

103988028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157 (or 10155 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 103988028 is about 10197.4520346996. The cubic root of 103988028 is about 470.2488918652.

The spelling of 103988028 in words is "one hundred three million, nine hundred eighty-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 941 1882 2823 3764 5646 9209 11292 18418 27627 36836 55254 110508 8665669 17331338 25997007 34662676 51994014 103988028