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49755680 = 25513191259
BaseRepresentation
bin1011110111001…
…1011000100000
310110121211221222
42331303120200
5100214140210
64534234212
71142626202
oct275633040
9113554858
1049755680
11260a41a7
12147b5968
13a401140
146872772
15457c655
hex2f73620

49755680 has 96 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 17390592.

The previous prime is 49755653. The next prime is 49755683. The reversal of 49755680 is 8655794.

49755680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49755683) 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 15 ways as a sum of consecutive naturals, for example, 38891 + ... + 40149.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 249755680 is an apocalyptic number.

49755680 is a gapful number since it is divisible by the number (40) 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 49755680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66679200).

49755680 is an abundant number, since it is smaller than the sum of its proper divisors (83602720).

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

49755680 is a wasteful number, since it uses less digits than its factorization.

49755680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 49755680 is about 7053.7706228655. The cubic root of 49755680 is about 367.8021147820.

The spelling of 49755680 in words is "forty-nine million, seven hundred fifty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 65 76 80 95 104 130 152 160 190 208 247 260 304 380 416 494 520 608 760 988 1040 1235 1259 1520 1976 2080 2470 2518 3040 3952 4940 5036 6295 7904 9880 10072 12590 16367 19760 20144 23921 25180 32734 39520 40288 47842 50360 65468 81835 95684 100720 119605 130936 163670 191368 201440 239210 261872 310973 327340 382736 478420 523744 621946 654680 765472 956840 1243892 1309360 1554865 1913680 2487784 2618720 3109730 3827360 4975568 6219460 9951136 12438920 24877840 49755680