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49143877 is a prime number
BaseRepresentation
bin1011101101111…
…0000001000101
310102110202201121
42323132001011
5100040101002
64513153541
71134500416
oct273360105
9112422647
1049143877
1125816582
121455b8b1
13a248823
14675380d
1544ab237
hex2ede045

49143877 has 2 divisors, whose sum is σ = 49143878. Its totient is φ = 49143876.

The previous prime is 49143859. The next prime is 49143929. The reversal of 49143877 is 77834194.

49143877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46049796 + 3094081 = 6786^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 49143877 - 27 = 49143749 is a prime.

It is a super-2 number, since 2×491438772 = 4830241293182258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49143827) 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, 24571938 + 24571939.

It is an arithmetic number, because the mean of its divisors is an integer number (24571939).

Almost surely, 249143877 is an apocalyptic number.

It is an amenable number.

49143877 is a deficient number, since it is larger than the sum of its proper divisors (1).

49143877 is an equidigital number, since it uses as much as digits as its factorization.

49143877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 49143877 is about 7010.2693956795. The cubic root of 49143877 is about 366.2883774390.

The spelling of 49143877 in words is "forty-nine million, one hundred forty-three thousand, eight hundred seventy-seven".