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103405664 = 253231427
BaseRepresentation
bin1100010100111…
…01100001100000
321012120112220102
412022131201200
5202432440124
614132201532
72363635145
oct612354140
9235515812
10103405664
115340822a
122a7692a8
13185669ab
14da3a3cc
159128aae
hex629d860

103405664 has 12 divisors (see below), whose sum is σ = 203579964. Its totient is φ = 51702816.

The previous prime is 103405663. The next prime is 103405693. The reversal of 103405664 is 466504301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103405663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615682 + ... + 1615745.

It is an arithmetic number, because the mean of its divisors is an integer number (16964997).

Almost surely, 2103405664 is an apocalyptic number.

It is an amenable number.

103405664 is a deficient number, since it is larger than the sum of its proper divisors (100174300).

103405664 is an equidigital number, since it uses as much as digits as its factorization.

103405664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231437 (or 3231429 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 103405664 is about 10168.8575562843. The cubic root of 103405664 is about 469.3694032913.

Adding to 103405664 its reverse (466504301), we get a palindrome (569909965).

The spelling of 103405664 in words is "one hundred three million, four hundred five thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 3231427 6462854 12925708 25851416 51702832 103405664