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45389941 is a prime number
BaseRepresentation
bin1010110100100…
…1100001110101
310011102001021221
42231021201311
543104434231
64300510341
71060544122
oct255114165
9104361257
1045389941
1123692153
121324b3b1
139532c6c
146057749
153eb8d11
hex2b49875

45389941 has 2 divisors, whose sum is σ = 45389942. Its totient is φ = 45389940.

The previous prime is 45389923. The next prime is 45389957. The reversal of 45389941 is 14998354.

It is a happy number.

45389941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25542916 + 19847025 = 5054^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 45389941 - 221 = 43292789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45389341) 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 as a sum of consecutive naturals, namely, 22694970 + 22694971.

It is an arithmetic number, because the mean of its divisors is an integer number (22694971).

Almost surely, 245389941 is an apocalyptic number.

It is an amenable number.

45389941 is a deficient number, since it is larger than the sum of its proper divisors (1).

45389941 is an equidigital number, since it uses as much as digits as its factorization.

45389941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 45389941 is about 6737.2057264121. The cubic root of 45389941 is about 356.7137685875.

The spelling of 45389941 in words is "forty-five million, three hundred eighty-nine thousand, nine hundred forty-one".