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49739042 = 21712711519
BaseRepresentation
bin1011110110111…
…1010100100010
310110121000010202
42331233110202
5100213122132
64534025202
71142526533
oct275572442
9113530122
1049739042
1126092751
12147a8202
13a3c66b2
14686a68a
154577762
hex2f6f522

49739042 has 16 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 23220288.

The previous prime is 49739021. The next prime is 49739047. The reversal of 49739042 is 24093794.

It is a junction number, because it is equal to n+sod(n) for n = 49738987 and 49739005.

It is not an unprimeable number, because it can be changed into a prime (49739047) 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, 1442 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (4976640).

Almost surely, 249739042 is an apocalyptic number.

49739042 is a deficient number, since it is larger than the sum of its proper divisors (29887198).

49739042 is a wasteful number, since it uses less digits than its factorization.

49739042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 49739042 is about 7052.5911550295. The cubic root of 49739042 is about 367.7611132734.

The spelling of 49739042 in words is "forty-nine million, seven hundred thirty-nine thousand, forty-two".

Divisors: 1 2 17 34 127 254 2159 4318 11519 23038 195823 391646 1462913 2925826 24869521 49739042