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49684797 = 3253104161
BaseRepresentation
bin1011110110001…
…0000100111101
310110111020201200
42331202010331
5100204403142
64532530113
71142212431
oct275420475
9113436650
1049684797
1126055a18
1214780939
13a3a7ab6
1468549c1
15456664c
hex2f6213d

49684797 has 12 divisors (see below), whose sum is σ = 73121724. Its totient is φ = 32497920.

The previous prime is 49684787. The next prime is 49684799. The reversal of 49684797 is 79748694.

It is a happy number.

49684797 is a `hidden beast` number, since 496 + 84 + 79 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 18481401 = 5586^2 + 4299^2 .

It is not a de Polignac number, because 49684797 - 28 = 49684541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49684799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51604 + ... + 52557.

It is an arithmetic number, because the mean of its divisors is an integer number (6093477).

Almost surely, 249684797 is an apocalyptic number.

It is an amenable number.

49684797 is a deficient number, since it is larger than the sum of its proper divisors (23436927).

49684797 is a wasteful number, since it uses less digits than its factorization.

49684797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104220 (or 104217 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 49684797 is about 7048.7443562666. The cubic root of 49684797 is about 367.6273722031.

The spelling of 49684797 in words is "forty-nine million, six hundred eighty-four thousand, seven hundred ninety-seven".

Divisors: 1 3 9 53 159 477 104161 312483 937449 5520533 16561599 49684797