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49792405 = 5131745061
BaseRepresentation
bin1011110111110…
…0010110010101
310110200201100011
42331330112111
5100221324110
64535120221
71143141235
oct275742625
9113621304
1049792405
1126119853
1214813071
13a414a80
146881cc5
15458848a
hex2f7c595

49792405 has 16 divisors (see below), whose sum is σ = 68133744. Its totient is φ = 34606080.

The previous prime is 49792403. The next prime is 49792423. The reversal of 49792405 is 50429794.

It can be written as a sum of positive squares in 8 ways, for example, as 806404 + 48986001 = 898^2 + 6999^2 .

It is not a de Polignac number, because 49792405 - 21 = 49792403 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 (49792403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21426 + ... + 23635.

It is an arithmetic number, because the mean of its divisors is an integer number (4258359).

Almost surely, 249792405 is an apocalyptic number.

It is an amenable number.

49792405 is a deficient number, since it is larger than the sum of its proper divisors (18341339).

49792405 is a wasteful number, since it uses less digits than its factorization.

49792405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49792405 is about 7056.3733603034. The cubic root of 49792405 is about 367.8925849266.

The spelling of 49792405 in words is "forty-nine million, seven hundred ninety-two thousand, four hundred five".

Divisors: 1 5 13 17 65 85 221 1105 45061 225305 585793 766037 2928965 3830185 9958481 49792405