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45500101 = 291568969
BaseRepresentation
bin1010110110010…
…0011011000101
310011121122101221
42231210123011
543122000401
64303120341
71061513233
oct255443305
9104548357
1045500101
1123757999
12132a30b1
13957114a
146085953
153edb7a1
hex2b646c5

45500101 has 4 divisors (see below), whose sum is σ = 47069100. Its totient is φ = 43931104.

The previous prime is 45500071. The next prime is 45500111. The reversal of 45500101 is 10100554.

It is a happy number.

45500101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10100554 = 25050277.

It can be written as a sum of positive squares in 2 ways, for example, as 26368225 + 19131876 = 5135^2 + 4374^2 .

It is a cyclic number.

It is not a de Polignac number, because 45500101 - 217 = 45369029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45500111) 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, 784456 + ... + 784513.

It is an arithmetic number, because the mean of its divisors is an integer number (11767275).

Almost surely, 245500101 is an apocalyptic number.

It is an amenable number.

45500101 is a deficient number, since it is larger than the sum of its proper divisors (1568999).

45500101 is a wasteful number, since it uses less digits than its factorization.

45500101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568998.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 45500101 is about 6745.3762682300. The cubic root of 45500101 is about 357.0021132511.

Adding to 45500101 its reverse (10100554), we get a palindrome (55600655).

The spelling of 45500101 in words is "forty-five million, five hundred thousand, one hundred one".

Divisors: 1 29 1568969 45500101