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49739872 = 25713192931
BaseRepresentation
bin1011110110111…
…1100001100000
310110121001021111
42331233201200
5100213133442
64534033104
71142532130
oct275574140
9113531244
1049739872
1126093336
12147a8794
13a3c6ba0
14686aac0
154577b17
hex2f6f860

49739872 has 192 divisors, whose sum is σ = 135475200. Its totient is φ = 17418240.

The previous prime is 49739857. The next prime is 49739897. The reversal of 49739872 is 27893794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1604497 + ... + 1604527.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 249739872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49739872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67737600).

49739872 is an abundant number, since it is smaller than the sum of its proper divisors (85735328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49739872 is a wasteful number, since it uses less digits than its factorization.

49739872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 101 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 49739872 is about 7052.6499984049. The cubic root of 49739872 is about 367.7631588833.

The spelling of 49739872 in words is "forty-nine million, seven hundred thirty-nine thousand, eight hundred seventy-two".