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45513397 is a prime number
BaseRepresentation
bin1010110110011…
…1101010110101
310011122022122101
42231213222311
543122412042
64303302101
71061600056
oct255475265
9104568571
1045513397
1123766986
12132aa931
139577207
14608a72d
153ee06b7
hex2b67ab5

45513397 has 2 divisors, whose sum is σ = 45513398. Its totient is φ = 45513396.

The previous prime is 45513373. The next prime is 45513407. The reversal of 45513397 is 79331554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 1874161 = 6606^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 45513397 - 27 = 45513269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45513317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756698 + 22756699.

It is an arithmetic number, because the mean of its divisors is an integer number (22756699).

Almost surely, 245513397 is an apocalyptic number.

It is an amenable number.

45513397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45513397 is an equidigital number, since it uses as much as digits as its factorization.

45513397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 37.

The square root of 45513397 is about 6746.3617602379. The cubic root of 45513397 is about 357.0368841469.

The spelling of 45513397 in words is "forty-five million, five hundred thirteen thousand, three hundred ninety-seven".