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49685768 = 23114147293
BaseRepresentation
bin1011110110001…
…0010100001000
310110111022001122
42331202110020
5100204421033
64532534412
71142215316
oct275422410
9113438048
1049685768
1126056720
1214781408
13a3a8382
1468550b6
154566a98
hex2f62508

49685768 has 64 divisors (see below), whose sum is σ = 106686720. Its totient is φ = 21491200.

The previous prime is 49685759. The next prime is 49685789. The reversal of 49685768 is 86758694.

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, 169430 + ... + 169722.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 249685768 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 49685768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53343360).

49685768 is an abundant number, since it is smaller than the sum of its proper divisors (57000952).

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

49685768 is a wasteful number, since it uses less digits than its factorization.

49685768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 394 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 49685768 is about 7048.8132334458. The cubic root of 49685768 is about 367.6297670595.

The spelling of 49685768 in words is "forty-nine million, six hundred eighty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 22 41 44 47 82 88 94 164 188 293 328 376 451 517 586 902 1034 1172 1804 1927 2068 2344 3223 3608 3854 4136 6446 7708 12013 12892 13771 15416 21197 24026 25784 27542 42394 48052 55084 84788 96104 110168 132143 151481 169576 264286 302962 528572 564611 605924 1057144 1129222 1211848 2258444 4516888 6210721 12421442 24842884 49685768