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49808044 = 221113194583
BaseRepresentation
bin1011111000000…
…0001010101100
310110201111210101
42332000022230
5100222324134
64535320444
71143234646
oct276001254
9113644711
1049808044
112612a580
1214820124
13a41bc20
146887896
15458ce14
hex2f802ac

49808044 has 48 divisors (see below), whose sum is σ = 107815680. Its totient is φ = 19794240.

The previous prime is 49808029. The next prime is 49808053. The reversal of 49808044 is 44080894.

It is a junction number, because it is equal to n+sod(n) for n = 49807994 and 49808012.

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 15 ways as a sum of consecutive naturals, for example, 8577 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (2246160).

Almost surely, 249808044 is an apocalyptic number.

49808044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49808044 is an abundant number, since it is smaller than the sum of its proper divisors (58007636).

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

49808044 is a wasteful number, since it uses less digits than its factorization.

49808044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 49808044 is about 7057.4814204502. The cubic root of 49808044 is about 367.9310972920.

The spelling of 49808044 in words is "forty-nine million, eight hundred eight thousand, forty-four".

Divisors: 1 2 4 11 13 19 22 26 38 44 52 76 143 209 247 286 418 494 572 836 988 2717 4583 5434 9166 10868 18332 50413 59579 87077 100826 119158 174154 201652 238316 348308 655369 957847 1132001 1310738 1915694 2264002 2621476 3831388 4528004 12452011 24904022 49808044