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49729973 = 194360869
BaseRepresentation
bin1011110110110…
…1000110110101
310110120112200212
42331231012311
5100212324343
64533515205
71142461226
oct275550665
9113515625
1049729973
1126086957
12147a2b05
13a3c2527
14686724d
154574c18
hex2f6d1b5

49729973 has 8 divisors (see below), whose sum is σ = 53565600. Its totient is φ = 46016208.

The previous prime is 49729951. The next prime is 49729987. The reversal of 49729973 is 37992794.

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 49729973 - 210 = 49728949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49720973) 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, 29618 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (6695700).

Almost surely, 249729973 is an apocalyptic number.

49729973 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

49729973 is a deficient number, since it is larger than the sum of its proper divisors (3835627).

49729973 is a wasteful number, since it uses less digits than its factorization.

49729973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60931.

The product of its digits is 857304, while the sum is 50.

The square root of 49729973 is about 7051.9481705412. The cubic root of 49729973 is about 367.7387604219.

The spelling of 49729973 in words is "forty-nine million, seven hundred twenty-nine thousand, nine hundred seventy-three".

Divisors: 1 19 43 817 60869 1156511 2617367 49729973