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49718912 = 271632383
BaseRepresentation
bin1011110110101…
…0011010000000
310110112222112012
42331222122000
5100212001122
64533352052
71142414045
oct275523200
9113488465
1049718912
1126079611
1214798628
13a3ba499
1468631cc
1545717e2
hex2f6a680

49718912 has 32 divisors (see below), whose sum is σ = 99698880. Its totient is φ = 24696576.

The previous prime is 49718881. The next prime is 49718951. The reversal of 49718912 is 21981794.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 49718912.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19673 + ... + 22055.

It is an arithmetic number, because the mean of its divisors is an integer number (3115590).

Almost surely, 249718912 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 49718912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49849440).

49718912 is an abundant number, since it is smaller than the sum of its proper divisors (49979968).

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

49718912 is a wasteful number, since it uses less digits than its factorization.

49718912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2548 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 49718912 is about 7051.1638755598. The cubic root of 49718912 is about 367.7114941021.

The spelling of 49718912 in words is "forty-nine million, seven hundred eighteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 163 326 652 1304 2383 2608 4766 5216 9532 10432 19064 20864 38128 76256 152512 305024 388429 776858 1553716 3107432 6214864 12429728 24859456 49718912