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49067729 = 176147317
BaseRepresentation
bin1011101100101…
…1011011010001
310102022220021022
42323023123101
5100030131404
64511405225
71134032414
oct273133321
9112286238
1049067729
1125774347
1214523815
13a21cc79
146733b7b
1544938be
hex2ecb6d1

49067729 has 8 divisors (see below), whose sum is σ = 52806888. Its totient is φ = 45423360.

The previous prime is 49067723. The next prime is 49067731. The reversal of 49067729 is 92776094.

It can be written as a sum of positive squares in 4 ways, for example, as 9314704 + 39753025 = 3052^2 + 6305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49067729 - 224 = 32290513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49067729.

It is not an unprimeable number, because it can be changed into a prime (49067723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22622 + ... + 24695.

It is an arithmetic number, because the mean of its divisors is an integer number (6600861).

Almost surely, 249067729 is an apocalyptic number.

It is an amenable number.

49067729 is a deficient number, since it is larger than the sum of its proper divisors (3739159).

49067729 is a wasteful number, since it uses less digits than its factorization.

49067729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47395.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 49067729 is about 7004.8361151422. The cubic root of 49067729 is about 366.0990927801.

The spelling of 49067729 in words is "forty-nine million, sixty-seven thousand, seven hundred twenty-nine".

Divisors: 1 17 61 1037 47317 804389 2886337 49067729