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49747469 is a prime number
BaseRepresentation
bin1011110111000…
…1011000001101
310110121102200212
42331301120031
5100213404334
64534132205
71142563232
oct275613015
9113542625
1049747469
1126099012
12147b1065
13a3ca495
14686d789
154579ece
hex2f7160d

49747469 has 2 divisors, whose sum is σ = 49747470. Its totient is φ = 49747468.

The previous prime is 49747429. The next prime is 49747471. The reversal of 49747469 is 96474794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 11764900 = 6163^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 49747469 - 28 = 49747213 is a prime.

It is a super-2 number, since 2×497474692 = 4949621343811922, which contains 22 as substring.

Together with 49747471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49747429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24873734 + 24873735.

It is an arithmetic number, because the mean of its divisors is an integer number (24873735).

Almost surely, 249747469 is an apocalyptic number.

It is an amenable number.

49747469 is a deficient number, since it is larger than the sum of its proper divisors (1).

49747469 is an equidigital number, since it uses as much as digits as its factorization.

49747469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 49747469 is about 7053.1885697180. The cubic root of 49747469 is about 367.7818813178.

The spelling of 49747469 in words is "forty-nine million, seven hundred forty-seven thousand, four hundred sixty-nine".