Search a number
-
+
106699865 = 553271107
BaseRepresentation
bin1100101110000…
…01110001011001
321102202220200212
412113001301121
5204303343430
614330540505
72433635216
oct627016131
9242686625
10106699865
1155258208
122b897735
131914b21c
1410256b0d
159579b95
hex65c1c59

106699865 has 24 divisors (see below), whose sum is σ = 133576128. Its totient is φ = 81798080.

The previous prime is 106699841. The next prime is 106699867. The reversal of 106699865 is 568996601.

It is not a de Polignac number, because 106699865 - 210 = 106698841 is a prime.

It is a super-2 number, since 2×1066998652 = 22769722382036450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106699867) 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 23 ways as a sum of consecutive naturals, for example, 997142 + ... + 997248.

It is an arithmetic number, because the mean of its divisors is an integer number (5565672).

Almost surely, 2106699865 is an apocalyptic number.

It is an amenable number.

106699865 is a deficient number, since it is larger than the sum of its proper divisors (26876263).

106699865 is an equidigital number, since it uses as much as digits as its factorization.

106699865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 106699865 is about 10329.5626722529. The cubic root of 106699865 is about 474.3016367158.

The spelling of 106699865 in words is "one hundred six million, six hundred ninety-nine thousand, eight hundred sixty-five".

Divisors: 1 5 53 71 107 265 355 535 2809 3763 5671 7597 14045 18815 28355 37985 199439 300563 402641 997195 1502815 2013205 21339973 106699865