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102406017 = 375392009
BaseRepresentation
bin1100001101010…
…01011110000001
321010200202122110
412012221132001
5202203443032
614054525533
72352302550
oct606513601
9233622573
10102406017
115289517a
122a3668a9
13182a699c
14d859d97
158ecc7cc
hex61a9781

102406017 has 16 divisors (see below), whose sum is σ = 158993280. Its totient is φ = 57412992.

The previous prime is 102406009. The next prime is 102406027. The reversal of 102406017 is 710604201.

It is not a de Polignac number, because 102406017 - 23 = 102406009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102405984 and 102406002.

It is not an unprimeable number, because it can be changed into a prime (102406027) 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, 44892 + ... + 47117.

It is an arithmetic number, because the mean of its divisors is an integer number (9937080).

Almost surely, 2102406017 is an apocalyptic number.

It is an amenable number.

102406017 is a deficient number, since it is larger than the sum of its proper divisors (56587263).

102406017 is an equidigital number, since it uses as much as digits as its factorization.

102406017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92072.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 102406017 is about 10119.5858116822. The cubic root of 102406017 is about 467.8520013798.

The spelling of 102406017 in words is "one hundred two million, four hundred six thousand, seventeen".

Divisors: 1 3 7 21 53 159 371 1113 92009 276027 644063 1932189 4876477 14629431 34135339 102406017