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103938390 = 235542773
BaseRepresentation
bin1100011000111…
…11100101010110
321020120121200000
412030133211112
5203102012030
614151432130
72401314243
oct614374526
9236517600
10103938390
11537414a6
122a985646
13186c230a
14db385ca
1591d1860
hex631f956

103938390 has 48 divisors (see below), whose sum is σ = 280255248. Its totient is φ = 27716256.

The previous prime is 103938361. The next prime is 103938421. The reversal of 103938390 is 93839301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18957 + ... + 23816.

It is an arithmetic number, because the mean of its divisors is an integer number (5838651).

Almost surely, 2103938390 is an apocalyptic number.

103938390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103938390 is an abundant number, since it is smaller than the sum of its proper divisors (176316858).

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

103938390 is an equidigital number, since it uses as much as digits as its factorization.

103938390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42795 (or 42783 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 103938390 is about 10195.0179009161. The cubic root of 103938390 is about 470.1740565532.

The spelling of 103938390 in words is "one hundred three million, nine hundred thirty-eight thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 42773 85546 128319 213865 256638 384957 427730 641595 769914 1154871 1283190 1924785 2309742 3464613 3849570 5774355 6929226 10393839 11548710 17323065 20787678 34646130 51969195 103938390