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103990238 = 2116177489
BaseRepresentation
bin1100011001011…
…00001111011110
321020200020210022
412030230033132
5203110141423
614152512142
72401621352
oct614541736
9236606708
10103990238
1153777450
122a9ab652
131870cab1
14db4d462
1591e1dc8
hex632c3de

103990238 has 16 divisors (see below), whose sum is σ = 172957680. Its totient is φ = 46492800.

The previous prime is 103990217. The next prime is 103990247. The reversal of 103990238 is 832099301.

It is a junction number, because it is equal to n+sod(n) for n = 103990198 and 103990207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37403 + ... + 40086.

It is an arithmetic number, because the mean of its divisors is an integer number (10809855).

Almost surely, 2103990238 is an apocalyptic number.

103990238 is a deficient number, since it is larger than the sum of its proper divisors (68967442).

103990238 is a wasteful number, since it uses less digits than its factorization.

103990238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77563.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 103990238 is about 10197.5603945257. The cubic root of 103990238 is about 470.2522231548.

The spelling of 103990238 in words is "one hundred three million, nine hundred ninety thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 61 122 671 1342 77489 154978 852379 1704758 4726829 9453658 51995119 103990238