Base | Representation |
---|---|
bin | 1100110100100… |
… | …10101011011001 |
3 | 21111101101110201 |
4 | 12122102223121 |
5 | 210013234140 |
6 | 14401142201 |
7 | 2444131006 |
oct | 632225331 |
9 | 244341421 |
10 | 107555545 |
11 | 55792089 |
12 | 3002a961 |
13 | 1938a846 |
14 | 103da8ad |
15 | 969849a |
hex | 6692ad9 |
107555545 has 4 divisors (see below), whose sum is σ = 129066660. Its totient is φ = 86044432.
The previous prime is 107555543. The next prime is 107555563. The reversal of 107555545 is 545555701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545555701 = 31 ⋅17598571.
It can be written as a sum of positive squares in 2 ways, for example, as 78481881 + 29073664 = 8859^2 + 5392^2 .
It is a cyclic number.
It is not a de Polignac number, because 107555545 - 21 = 107555543 is a prime.
It is not an unprimeable number, because it can be changed into a prime (107555543) 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, 10755550 + ... + 10755559.
It is an arithmetic number, because the mean of its divisors is an integer number (32266665).
Almost surely, 2107555545 is an apocalyptic number.
It is an amenable number.
107555545 is a deficient number, since it is larger than the sum of its proper divisors (21511115).
107555545 is an equidigital number, since it uses as much as digits as its factorization.
107555545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21511114.
The product of its (nonzero) digits is 87500, while the sum is 37.
The square root of 107555545 is about 10370.8989485001. The cubic root of 107555545 is about 475.5661504245.
The spelling of 107555545 in words is "one hundred seven million, five hundred fifty-five thousand, five hundred forty-five".
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