Search a number
-
+
99108019 = 431229949
BaseRepresentation
bin1011110100001…
…00010010110011
320220111012122101
411322010102303
5200332424034
613500121231
72312255443
oct572042263
9226435571
1099108019
1150a4235a
1229236217
13176c07ca
14d23c123
158a7a514
hex5e844b3

99108019 has 4 divisors (see below), whose sum is σ = 99338400. Its totient is φ = 98877640.

The previous prime is 99108013. The next prime is 99108041. The reversal of 99108019 is 91080199.

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 99108019 - 27 = 99107891 is a prime.

It is a super-2 number, since 2×991080192 = 19644798860208722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99108013) 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 3 ways as a sum of consecutive naturals, for example, 114544 + ... + 115405.

It is an arithmetic number, because the mean of its divisors is an integer number (24834600).

Almost surely, 299108019 is an apocalyptic number.

99108019 is a deficient number, since it is larger than the sum of its proper divisors (230381).

99108019 is a wasteful number, since it uses less digits than its factorization.

99108019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230380.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 99108019 is about 9955.3010501943. The cubic root of 99108019 is about 462.7746899029.

The spelling of 99108019 in words is "ninety-nine million, one hundred eight thousand, nineteen".

Divisors: 1 431 229949 99108019