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49845797 = 192138077
BaseRepresentation
bin1011111000100…
…1011000100101
310110210102120122
42332021120211
5100230031142
64540211325
71143453011
oct276113045
9113712518
1049845797
1126155981
1214839b45
13a433171
146897541
1545991d2
hex2f89625

49845797 has 6 divisors (see below), whose sum is σ = 52607718. Its totient is φ = 47221992.

The previous prime is 49845793. The next prime is 49845821. The reversal of 49845797 is 79754894.

49845797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 22743361 = 5206^2 + 4769^2 .

It is not a de Polignac number, because 49845797 - 22 = 49845793 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 (49845793) 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 in 5 ways as a sum of consecutive naturals, for example, 68678 + ... + 69399.

It is an arithmetic number, because the mean of its divisors is an integer number (8767953).

Almost surely, 249845797 is an apocalyptic number.

It is an amenable number.

49845797 is a deficient number, since it is larger than the sum of its proper divisors (2761921).

49845797 is a wasteful number, since it uses less digits than its factorization.

49845797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138115 (or 138096 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 49845797 is about 7060.1555931863. The cubic root of 49845797 is about 368.0240340518.

The spelling of 49845797 in words is "forty-nine million, eight hundred forty-five thousand, seven hundred ninety-seven".

Divisors: 1 19 361 138077 2623463 49845797