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103489744 = 2417222381
BaseRepresentation
bin1100010101100…
…10000011010000
321012201211020111
412022302003100
5202443132434
614134051104
72364435241
oct612620320
9235654214
10103489744
1153465416
122a7a9a94
1318596047
14da5ccc8
159143964
hex62b20d0

103489744 has 30 divisors (see below), whose sum is σ = 213009494. Its totient is φ = 48698880.

The previous prime is 103489709. The next prime is 103489747. The reversal of 103489744 is 447984301.

It can be written as a sum of positive squares in 3 ways, for example, as 47059600 + 56430144 = 6860^2 + 7512^2 .

It is a super-2 number, since 2×1034897442 = 21420254226371072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 103489697 and 103489706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103489747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6567 + ... + 15814.

Almost surely, 2103489744 is an apocalyptic number.

It is an amenable number.

103489744 is an abundant number, since it is smaller than the sum of its proper divisors (109519750).

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

103489744 is a wasteful number, since it uses less digits than its factorization.

103489744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423 (or 22400 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 103489744 is about 10172.9909072996. The cubic root of 103489744 is about 469.4965848737.

The spelling of 103489744 in words is "one hundred three million, four hundred eighty-nine thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 22381 44762 89524 179048 358096 380477 760954 1521908 3043816 6087632 6468109 12936218 25872436 51744872 103489744