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103444407 = 32111044893
BaseRepresentation
bin1100010101001…
…10111110110111
321012122112001100
412022212332313
5202440210112
614133101143
72364156123
oct612467667
9235575040
10103444407
1153434350
122a7877b3
131857b511
14da4a583
1591352dc
hex62a6fb7

103444407 has 12 divisors (see below), whose sum is σ = 163003464. Its totient is φ = 62693520.

The previous prime is 103444399. The next prime is 103444423. The reversal of 103444407 is 704444301.

It is not a de Polignac number, because 103444407 - 23 = 103444399 is a prime.

It is a super-3 number, since 3×1034444073 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103444447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522348 + ... + 522545.

It is an arithmetic number, because the mean of its divisors is an integer number (13583622).

Almost surely, 2103444407 is an apocalyptic number.

103444407 is a deficient number, since it is larger than the sum of its proper divisors (59559057).

103444407 is a wasteful number, since it uses less digits than its factorization.

103444407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044910 (or 1044907 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 103444407 is about 10170.7623608066. The cubic root of 103444407 is about 469.4280155164.

Adding to 103444407 its reverse (704444301), we get a palindrome (807888708).

The spelling of 103444407 in words is "one hundred three million, four hundred forty-four thousand, four hundred seven".

Divisors: 1 3 9 11 33 99 1044893 3134679 9404037 11493823 34481469 103444407