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49398944 = 257832657
BaseRepresentation
bin1011110001110…
…0010010100000
310102221201121112
42330130102200
5100121231234
64522442452
71136612150
oct274342240
9112851545
1049398944
1125980181
1214663428
13a30795a
1467bc760
15450bace
hex2f1c4a0

49398944 has 48 divisors (see below), whose sum is σ = 112529088. Its totient is φ = 20908032.

The previous prime is 49398941. The next prime is 49398961. The reversal of 49398944 is 44989394.

It is a junction number, because it is equal to n+sod(n) for n = 49398892 and 49398901.

It is not an unprimeable number, because it can be changed into a prime (49398941) by changing a digit.

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, 17264 + ... + 19920.

It is an arithmetic number, because the mean of its divisors is an integer number (2344356).

Almost surely, 249398944 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 49398944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56264544).

49398944 is an abundant number, since it is smaller than the sum of its proper divisors (63130144).

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

49398944 is a wasteful number, since it uses less digits than its factorization.

49398944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2749 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 49398944 is about 7028.4382333489. The cubic root of 49398944 is about 366.9209886657.

The spelling of 49398944 in words is "forty-nine million, three hundred ninety-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 83 112 166 224 332 581 664 1162 1328 2324 2656 2657 4648 5314 9296 10628 18592 18599 21256 37198 42512 74396 85024 148792 220531 297584 441062 595168 882124 1543717 1764248 3087434 3528496 6174868 7056992 12349736 24699472 49398944