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107379641 = 137783793
BaseRepresentation
bin1100110011001…
…11101110111001
321111001110011202
412121213232321
5204442122031
614353303545
72442466115
oct631475671
9244043152
10107379641
1155681a06
122bb64bb5
1319328765
1410392745
1596612cb
hex6667bb9

107379641 has 4 divisors (see below), whose sum is σ = 108163572. Its totient is φ = 106595712.

The previous prime is 107379637. The next prime is 107379653. The reversal of 107379641 is 146973701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146973701 = 720996243.

It can be written as a sum of positive squares in 2 ways, for example, as 80640400 + 26739241 = 8980^2 + 5171^2 .

It is a cyclic number.

It is not a de Polignac number, because 107379641 - 22 = 107379637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107379595 and 107379604.

It is not an unprimeable number, because it can be changed into a prime (107378641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391760 + ... + 392033.

It is an arithmetic number, because the mean of its divisors is an integer number (27040893).

Almost surely, 2107379641 is an apocalyptic number.

It is an amenable number.

107379641 is a deficient number, since it is larger than the sum of its proper divisors (783931).

107379641 is an equidigital number, since it uses as much as digits as its factorization.

107379641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783930.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 107379641 is about 10362.4148247404. The cubic root of 107379641 is about 475.3067507063.

The spelling of 107379641 in words is "one hundred seven million, three hundred seventy-nine thousand, six hundred forty-one".

Divisors: 1 137 783793 107379641