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49748143 is a prime number
BaseRepresentation
bin1011110111000…
…1100010101111
310110121110121211
42331301202233
5100213420033
64534135251
71142565214
oct275614257
9113543554
1049748143
1126099575
12147b1527
13a3ca893
14686db0b
15457a2cd
hex2f718af

49748143 has 2 divisors, whose sum is σ = 49748144. Its totient is φ = 49748142.

The previous prime is 49748107. The next prime is 49748159. The reversal of 49748143 is 34184794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49748143 - 29 = 49747631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49748096 and 49748105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49748183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24874071 + 24874072.

It is an arithmetic number, because the mean of its divisors is an integer number (24874072).

Almost surely, 249748143 is an apocalyptic number.

49748143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49748143 is an equidigital number, since it uses as much as digits as its factorization.

49748143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 49748143 is about 7053.2363493647. The cubic root of 49748143 is about 367.7835422657.

The spelling of 49748143 in words is "forty-nine million, seven hundred forty-eight thousand, one hundred forty-three".