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107300905 = 521460181
BaseRepresentation
bin1100110010101…
…00100000101001
321110220110011121
412121110200221
5204432112110
614351455241
72442020425
oct631244051
9243813147
10107300905
1155628838
122bb27521
13192cb97a
1410371b85
159647cda
hex6654829

107300905 has 4 divisors (see below), whose sum is σ = 128761092. Its totient is φ = 85840720.

The previous prime is 107300887. The next prime is 107300929. The reversal of 107300905 is 509003701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509003701 = 683745247.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 95883264 = 3379^2 + 9792^2 .

It is not a de Polignac number, because 107300905 - 25 = 107300873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107300905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10730086 + ... + 10730095.

It is an arithmetic number, because the mean of its divisors is an integer number (32190273).

Almost surely, 2107300905 is an apocalyptic number.

It is an amenable number.

107300905 is a deficient number, since it is larger than the sum of its proper divisors (21460187).

107300905 is an equidigital number, since it uses as much as digits as its factorization.

107300905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21460186.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 107300905 is about 10358.6150136010. The cubic root of 107300905 is about 475.1905495883.

The spelling of 107300905 in words is "one hundred seven million, three hundred thousand, nine hundred five".

Divisors: 1 5 21460181 107300905