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49799808 = 2732139311
BaseRepresentation
bin1011110111111…
…0001010000000
310110201002111100
42331332022000
5100222043213
64535214400
71143201642
oct275761200
9113632440
1049799808
1126124373
1214817400
13a418256
146884892
15458a773
hex2f7e280

49799808 has 96 divisors (see below), whose sum is σ = 144799200. Its totient is φ = 16427520.

The previous prime is 49799803. The next prime is 49799809. The reversal of 49799808 is 80899794.

49799808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (49799803) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 159973 + ... + 160283.

It is an arithmetic number, because the mean of its divisors is an integer number (1508325).

Almost surely, 249799808 is an apocalyptic number.

49799808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49799808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72399600).

49799808 is an abundant number, since it is smaller than the sum of its proper divisors (94999392).

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

49799808 is a wasteful number, since it uses less digits than its factorization.

49799808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 49799808 is about 7056.8979020530. The cubic root of 49799808 is about 367.9108164476.

The spelling of 49799808 in words is "forty-nine million, seven hundred ninety-nine thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 139 144 192 278 288 311 384 417 556 576 622 834 933 1112 1152 1244 1251 1668 1866 2224 2488 2502 2799 3336 3732 4448 4976 5004 5598 6672 7464 8896 9952 10008 11196 13344 14928 17792 19904 20016 22392 26688 29856 39808 40032 43229 44784 53376 59712 80064 86458 89568 119424 129687 160128 172916 179136 259374 345832 358272 389061 518748 691664 778122 1037496 1383328 1556244 2074992 2766656 3112488 4149984 5533312 6224976 8299968 12449952 16599936 24899904 49799808