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49438080 = 273352861
BaseRepresentation
bin1011110010010…
…1110110000000
310110000201022000
42330211312000
5100124004310
64523344000
71140134226
oct274456600
9113021260
1049438080
11259a761a
1214682000
13a31c703
1467ccb16
1545184c0
hex2f25d80

49438080 has 128 divisors (see below), whose sum is σ = 175154400. Its totient is φ = 13178880.

The previous prime is 49438073. The next prime is 49438093. The reversal of 49438080 is 8083494.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15850 + ... + 18710.

Almost surely, 249438080 is an apocalyptic number.

49438080 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 49438080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87577200).

49438080 is an abundant number, since it is smaller than the sum of its proper divisors (125716320).

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

49438080 is a wasteful number, since it uses less digits than its factorization.

49438080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 49438080 is about 7031.2217999434. The cubic root of 49438080 is about 367.0178600301.

The spelling of 49438080 in words is "forty-nine million, four hundred thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2861 2880 3456 4320 5722 5760 8583 8640 11444 14305 17166 17280 22888 25749 28610 34332 42915 45776 51498 57220 68664 77247 85830 91552 102996 114440 128745 137328 154494 171660 183104 205992 228880 257490 274656 308988 343320 366208 386235 411984 457760 514980 549312 617976 686640 772470 823968 915520 1029960 1098624 1235952 1373280 1544940 1647936 1831040 2059920 2471904 2746560 3089880 3295872 4119840 4943808 5493120 6179760 8239680 9887616 12359520 16479360 24719040 49438080