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102018476 = 2273643517
BaseRepresentation
bin1100001010010…
…10110110101100
321002222002001002
412011022312230
5202104042401
614042335432
72346066650
oct605126654
9232862032
10102018476
115264aa9a
122a1ba578
131819c481
14d798a60
158e52a6b
hex614adac

102018476 has 12 divisors (see below), whose sum is σ = 204037008. Its totient is φ = 43722192.

The previous prime is 102018473. The next prime is 102018517. The reversal of 102018476 is 674810201.

102018476 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (102018473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821731 + ... + 1821786.

It is an arithmetic number, because the mean of its divisors is an integer number (17003084).

Almost surely, 2102018476 is an apocalyptic number.

It is an amenable number.

102018476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102018476 is a wasteful number, since it uses less digits than its factorization.

102018476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643528 (or 3643526 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 102018476 is about 10100.4195952445. The cubic root of 102018476 is about 467.2610822257.

Adding to 102018476 its reverse (674810201), we get a palindrome (776828677).

The spelling of 102018476 in words is "one hundred two million, eighteen thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 3643517 7287034 14574068 25504619 51009238 102018476