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102103559 = 891147231
BaseRepresentation
bin1100001010111…
…11101000000111
321010010101202022
412011133220013
5202114303214
614044233355
72346603005
oct605375007
9233111668
10102103559
11526a8a08
122a23b85b
13181cc10c
14d7bba75
158e6cd8e
hex615fa07

102103559 has 4 divisors (see below), whose sum is σ = 103250880. Its totient is φ = 100956240.

The previous prime is 102103541. The next prime is 102103579. The reversal of 102103559 is 955301201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102103559 - 28 = 102103303 is a prime.

It is a super-3 number, since 3×1021035593 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573527 + ... + 573704.

It is an arithmetic number, because the mean of its divisors is an integer number (25812720).

Almost surely, 2102103559 is an apocalyptic number.

102103559 is a deficient number, since it is larger than the sum of its proper divisors (1147321).

102103559 is an equidigital number, since it uses as much as digits as its factorization.

102103559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147320.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 102103559 is about 10104.6305721684. The cubic root of 102103559 is about 467.3909440874.

The spelling of 102103559 in words is "one hundred two million, one hundred three thousand, five hundred fifty-nine".

Divisors: 1 89 1147231 102103559