Search a number
-
+
49874400 = 2533522309
BaseRepresentation
bin1011111001000…
…0010111100000
310110211212211000
42332100113200
5100231440100
64540552000
71143632262
oct276202740
9113755730
1049874400
1126175414
1214852600
13a4431a4
1468a3b32
1545a2900
hex2f905e0

49874400 has 144 divisors (see below), whose sum is σ = 180457200. Its totient is φ = 13294080.

The previous prime is 49874387. The next prime is 49874401. The reversal of 49874400 is 447894.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49874401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20446 + ... + 22754.

It is an arithmetic number, because the mean of its divisors is an integer number (1253175).

Almost surely, 249874400 is an apocalyptic number.

49874400 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 49874400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90228600).

49874400 is an abundant number, since it is smaller than the sum of its proper divisors (130582800).

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

49874400 is a wasteful number, since it uses less digits than its factorization.

49874400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 49874400 is about 7062.1809662455. The cubic root of 49874400 is about 368.0944149680.

The spelling of 49874400 in words is "forty-nine million, eight hundred seventy-four thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 90 96 100 108 120 135 144 150 160 180 200 216 225 240 270 288 300 360 400 432 450 480 540 600 675 720 800 864 900 1080 1200 1350 1440 1800 2160 2309 2400 2700 3600 4320 4618 5400 6927 7200 9236 10800 11545 13854 18472 20781 21600 23090 27708 34635 36944 41562 46180 55416 57725 62343 69270 73888 83124 92360 103905 110832 115450 124686 138540 166248 173175 184720 207810 221664 230900 249372 277080 311715 332496 346350 369440 415620 461800 498744 519525 554160 623430 664992 692700 831240 923600 997488 1039050 1108320 1246860 1385400 1558575 1662480 1847200 1994976 2078100 2493720 2770800 3117150 3324960 4156200 4987440 5541600 6234300 8312400 9974880 12468600 16624800 24937200 49874400