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107899241 = 221348757
BaseRepresentation
bin1100110111001…
…10100101101001
321112000211221012
412123212211221
5210110233431
614412353305
72450062022
oct633464551
9245024835
10107899241
11559a732a
1230175835
131947b108
1410489c49
15971522b
hex66e6969

107899241 has 4 divisors (see below), whose sum is σ = 107950212. Its totient is φ = 107848272.

The previous prime is 107899217. The next prime is 107899243. The reversal of 107899241 is 142998701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142998701 = 612344241.

It can be written as a sum of positive squares in 2 ways, for example, as 72318016 + 35581225 = 8504^2 + 5965^2 .

It is a cyclic number.

It is not a de Polignac number, because 107899241 - 26 = 107899177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107899243) 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, 22166 + ... + 26591.

It is an arithmetic number, because the mean of its divisors is an integer number (26987553).

Almost surely, 2107899241 is an apocalyptic number.

It is an amenable number.

107899241 is a deficient number, since it is larger than the sum of its proper divisors (50971).

107899241 is an equidigital number, since it uses as much as digits as its factorization.

107899241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50970.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 107899241 is about 10387.4559445516. The cubic root of 107899241 is about 476.0721723416.

The spelling of 107899241 in words is "one hundred seven million, eight hundred ninety-nine thousand, two hundred forty-one".

Divisors: 1 2213 48757 107899241