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49889632 = 2513432789
BaseRepresentation
bin1011111001010…
…0000101100000
310110212122201011
42332110011200
5100232432012
64541150304
71144024552
oct276240540
9113778634
1049889632
1126185901
121485b394
13a44a0c0
1468a94d2
1545a71a7
hex2f94160

49889632 has 48 divisors (see below), whose sum is σ = 108274320. Its totient is φ = 22482432.

The previous prime is 49889629. The next prime is 49889677. The reversal of 49889632 is 23698894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16494 + ... + 19282.

It is an arithmetic number, because the mean of its divisors is an integer number (2255715).

Almost surely, 249889632 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 49889632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54137160).

49889632 is an abundant number, since it is smaller than the sum of its proper divisors (58384688).

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

49889632 is a wasteful number, since it uses less digits than its factorization.

49889632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2847 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 49889632 is about 7063.2593043155. The cubic root of 49889632 is about 368.1318840466.

The spelling of 49889632 in words is "forty-nine million, eight hundred eighty-nine thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 43 52 86 104 172 208 344 416 559 688 1118 1376 2236 2789 4472 5578 8944 11156 17888 22312 36257 44624 72514 89248 119927 145028 239854 290056 479708 580112 959416 1160224 1559051 1918832 3118102 3837664 6236204 12472408 24944816 49889632