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49428912 = 24313113701
BaseRepresentation
bin1011110010001…
…1100110110000
310110000020201110
42330203212300
5100123211122
64523233320
71140065421
oct274434660
9113006643
1049428912
11259a0745
1214678840
13a3184a0
1467c9648
15451590c
hex2f239b0

49428912 has 80 divisors (see below), whose sum is σ = 138928608. Its totient is φ = 15052800.

The previous prime is 49428889. The next prime is 49428923. The reversal of 49428912 is 21982494.

49428912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 70162 + ... + 70862.

Almost surely, 249428912 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 49428912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69464304).

49428912 is an abundant number, since it is smaller than the sum of its proper divisors (89499696).

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

49428912 is a wasteful number, since it uses less digits than its factorization.

49428912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 832 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 49428912 is about 7030.5698204342. The cubic root of 49428912 is about 366.9951715293.

The spelling of 49428912 in words is "forty-nine million, four hundred twenty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 113 156 208 226 312 339 452 624 678 701 904 1356 1402 1469 1808 2103 2712 2804 2938 4206 4407 5424 5608 5876 8412 8814 9113 11216 11752 16824 17628 18226 23504 27339 33648 35256 36452 54678 70512 72904 79213 109356 145808 158426 218712 237639 316852 437424 475278 633704 950556 1029769 1267408 1901112 2059538 3089307 3802224 4119076 6178614 8238152 12357228 16476304 24714456 49428912