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103969749 = 3132665891
BaseRepresentation
bin1100011001001…
…11001111010101
321020122012200110
412030213033111
5203104012444
614152233233
72401504542
oct614471725
9236565613
10103969749
1153763014
122a99b819
1318703680
14db45bc9
1591dacb9
hex63273d5

103969749 has 8 divisors (see below), whose sum is σ = 149289952. Its totient is φ = 63981360.

The previous prime is 103969709. The next prime is 103969757. The reversal of 103969749 is 947969301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103969749 - 29 = 103969237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103969698 and 103969707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103969709) 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, 1332907 + ... + 1332984.

It is an arithmetic number, because the mean of its divisors is an integer number (18661244).

Almost surely, 2103969749 is an apocalyptic number.

It is an amenable number.

103969749 is a deficient number, since it is larger than the sum of its proper divisors (45320203).

103969749 is a wasteful number, since it uses less digits than its factorization.

103969749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665907.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 103969749 is about 10196.5557420141. Note that the first 3 decimals coincide. The cubic root of 103969749 is about 470.2213368240.

The spelling of 103969749 in words is "one hundred three million, nine hundred sixty-nine thousand, seven hundred forty-nine".

Divisors: 1 3 13 39 2665891 7997673 34656583 103969749