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106988747 = 563918973
BaseRepresentation
bin1100110000010…
…00010011001011
321110022120222012
412120020103023
5204342114442
614341050135
72436250355
oct630102313
9243276865
10106988747
1155435258
122b9b694b
131921c868
14102d00d5
1595d5582
hex66084cb

106988747 has 4 divisors (see below), whose sum is σ = 107013360. Its totient is φ = 106964136.

The previous prime is 106988741. The next prime is 106988759. The reversal of 106988747 is 747889601.

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 106988747 - 24 = 106988731 is a prime.

It is a super-2 number, since 2×1069887472 = 22893183969260018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106988695 and 106988704.

It is not an unprimeable number, because it can be changed into a prime (106988741) 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, 3848 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (26753340).

Almost surely, 2106988747 is an apocalyptic number.

106988747 is a deficient number, since it is larger than the sum of its proper divisors (24613).

106988747 is an equidigital number, since it uses as much as digits as its factorization.

106988747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24612.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 106988747 is about 10343.5364842011. The cubic root of 106988747 is about 474.7292965397.

The spelling of 106988747 in words is "one hundred six million, nine hundred eighty-eight thousand, seven hundred forty-seven".

Divisors: 1 5639 18973 106988747