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102727841 = 711446871
BaseRepresentation
bin1100001111110…
…00000010100001
321011022010002212
412013320002201
5202244242331
614105451505
72355113036
oct607700241
9234263085
10102727841
1152a94a47
122a4a0b95
131838a308
14d90138d
159042d2b
hex61f80a1

102727841 has 4 divisors (see below), whose sum is σ = 104174784. Its totient is φ = 101280900.

The previous prime is 102727763. The next prime is 102727847. The reversal of 102727841 is 148727201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102727841 - 210 = 102726817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102727798 and 102727807.

It is not an unprimeable number, because it can be changed into a prime (102727847) 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 in 3 ways as a sum of consecutive naturals, for example, 723365 + ... + 723506.

It is an arithmetic number, because the mean of its divisors is an integer number (26043696).

Almost surely, 2102727841 is an apocalyptic number.

It is an amenable number.

102727841 is a deficient number, since it is larger than the sum of its proper divisors (1446943).

102727841 is an equidigital number, since it uses as much as digits as its factorization.

102727841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446942.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 102727841 is about 10135.4743845565. The cubic root of 102727841 is about 468.3415837871.

The spelling of 102727841 in words is "one hundred two million, seven hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 71 1446871 102727841