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108067049 = 757142757
BaseRepresentation
bin1100111000011…
…11100011101001
321112100101010022
412130033203221
5210131121144
614420130225
72451361166
oct634174351
9245311108
10108067049
1156001412
1230236975
13195095cc
14104d106d
159749cee
hex670f8e9

108067049 has 4 divisors (see below), whose sum is σ = 108210564. Its totient is φ = 107923536.

The previous prime is 108067039. The next prime is 108067061. The reversal of 108067049 is 940760801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940760801 = 2513748051.

It can be written as a sum of positive squares in 2 ways, for example, as 45657049 + 62410000 = 6757^2 + 7900^2 .

It is a cyclic number.

It is not a de Polignac number, because 108067049 - 24 = 108067033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108067039) 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, 70622 + ... + 72135.

It is an arithmetic number, because the mean of its divisors is an integer number (27052641).

Almost surely, 2108067049 is an apocalyptic number.

It is an amenable number.

108067049 is a deficient number, since it is larger than the sum of its proper divisors (143515).

108067049 is an equidigital number, since it uses as much as digits as its factorization.

108067049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143514.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 108067049 is about 10395.5302414066. The cubic root of 108067049 is about 476.3188448823.

The spelling of 108067049 in words is "one hundred eight million, sixty-seven thousand, forty-nine".

Divisors: 1 757 142757 108067049