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103409319 = 31316316267
BaseRepresentation
bin1100010100111…
…10011010100111
321012120201220210
412022132122213
5202433044234
614132230503
72363651616
oct612363247
9235521823
10103409319
115340aa52
122a76b433
1318568560
14da3b87d
159129be9
hex629e6a7

103409319 has 16 divisors (see below), whose sum is σ = 149405312. Its totient is φ = 63242208.

The previous prime is 103409309. The next prime is 103409321. The reversal of 103409319 is 913904301.

It is not a de Polignac number, because 103409319 - 25 = 103409287 is a prime.

It is a super-2 number, since 2×1034093192 = 21386974512087522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103409309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (9337832).

Almost surely, 2103409319 is an apocalyptic number.

103409319 is a deficient number, since it is larger than the sum of its proper divisors (45995993).

103409319 is a wasteful number, since it uses less digits than its factorization.

103409319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 103409319 is about 10169.0372700664. The cubic root of 103409319 is about 469.3749333719.

The spelling of 103409319 in words is "one hundred three million, four hundred nine thousand, three hundred nineteen".

Divisors: 1 3 13 39 163 489 2119 6357 16267 48801 211471 634413 2651521 7954563 34469773 103409319