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49045913 = 73236217
BaseRepresentation
bin1011101100011…
…0000110011001
310102021210100022
42323012012121
5100023432123
64511120225
71133612000
oct273060631
9112253308
1049045913
1125759a14
1214513075
13a213067
146729c37
15448c1c8
hex2ec6199

49045913 has 16 divisors (see below), whose sum is σ = 59692800. Its totient is φ = 40205088.

The previous prime is 49045889. The next prime is 49045949. The reversal of 49045913 is 31954094.

49045913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49045913 - 28 = 49045657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49045993) 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 15 ways as a sum of consecutive naturals, for example, 4781 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (3730800).

Almost surely, 249045913 is an apocalyptic number.

It is an amenable number.

49045913 is a deficient number, since it is larger than the sum of its proper divisors (10646887).

49045913 is an equidigital number, since it uses as much as digits as its factorization.

49045913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6247 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 49045913 is about 7003.2787321368. The cubic root of 49045913 is about 366.0448276386.

The spelling of 49045913 in words is "forty-nine million, forty-five thousand, nine hundred thirteen".

Divisors: 1 7 23 49 161 343 1127 6217 7889 43519 142991 304633 1000937 2132431 7006559 49045913