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103987593 = 3211554177
BaseRepresentation
bin1100011001010…
…11100110001001
321020200010011100
412030223212021
5203110100333
614152452013
72401610553
oct614534611
9236603140
10103987593
1153775466
122a9aa009
131870b828
14db4c4d3
1591e1213
hex632b989

103987593 has 6 divisors (see below), whose sum is σ = 150204314. Its totient is φ = 69325056.

The previous prime is 103987579. The next prime is 103987601. The reversal of 103987593 is 395789301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97772544 + 6215049 = 9888^2 + 2493^2 .

It is not a de Polignac number, because 103987593 - 28 = 103987337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103987693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5777080 + ... + 5777097.

Almost surely, 2103987593 is an apocalyptic number.

It is an amenable number.

103987593 is a deficient number, since it is larger than the sum of its proper divisors (46216721).

103987593 is a wasteful number, since it uses less digits than its factorization.

103987593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11554183 (or 11554180 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 103987593 is about 10197.4307058200. The cubic root of 103987593 is about 470.2482361534.

The spelling of 103987593 in words is "one hundred three million, nine hundred eighty-seven thousand, five hundred ninety-three".

Divisors: 1 3 9 11554177 34662531 103987593