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45779999 is a prime number
BaseRepresentation
bin1010111010100…
…0110000011111
310012010212100112
42232220300133
543204424444
64313120235
71064060246
oct256506037
9105125315
1045779999
1123929211
12133b907b
13963b675
14611995d
15404469e
hex2ba8c1f

45779999 has 2 divisors, whose sum is σ = 45780000. Its totient is φ = 45779998.

The previous prime is 45779983. The next prime is 45780001. The reversal of 45779999 is 99997754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45779999 - 24 = 45779983 is a prime.

It is a Sophie Germain prime.

Together with 45780001, it forms a pair of twin primes.

It is a Chen prime.

45779999 is a modest number, since divided by 9999 gives 4577 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45779399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22889999 + 22890000.

It is an arithmetic number, because the mean of its divisors is an integer number (22890000).

Almost surely, 245779999 is an apocalyptic number.

45779999 is a deficient number, since it is larger than the sum of its proper divisors (1).

45779999 is an equidigital number, since it uses as much as digits as its factorization.

45779999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 59.

The square root of 45779999 is about 6766.0918557170. The cubic root of 45779999 is about 357.7326609139.

The spelling of 45779999 in words is "forty-five million, seven hundred seventy-nine thousand, nine hundred ninety-nine".