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103640001 = 32312711827
BaseRepresentation
bin1100010110101…
…10101111000001
321020000110100120
412023112233001
5203012440001
614141210453
72365632303
oct613265701
9236013316
10103640001
11535582a3
122a860a29
131861955a
14da9b973
159173236
hex62d6bc1

103640001 has 16 divisors (see below), whose sum is σ = 145342464. Its totient is φ = 65563344.

The previous prime is 103639999. The next prime is 103640023. The reversal of 103640001 is 100046301.

It is not a de Polignac number, because 103640001 - 21 = 103639999 is a prime.

It is a super-3 number, since 3×1036400013 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103640081) 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, 2850 + ... + 14676.

It is an arithmetic number, because the mean of its divisors is an integer number (9083904).

Almost surely, 2103640001 is an apocalyptic number.

It is an amenable number.

103640001 is a deficient number, since it is larger than the sum of its proper divisors (41702463).

103640001 is a wasteful number, since it uses less digits than its factorization.

103640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103640001 is about 10180.3733232136. The cubic root of 103640001 is about 469.7236960559.

Adding to 103640001 its reverse (100046301), we get a palindrome (203686302).

The spelling of 103640001 in words is "one hundred three million, six hundred forty thousand, one".

Divisors: 1 3 23 69 127 381 2921 8763 11827 35481 272021 816063 1502029 4506087 34546667 103640001