Search a number
-
+
212748000 = 2535317729
BaseRepresentation
bin11001010111001…
…00011011100000
3112211022201101120
430223210123200
5413430414000
633035532240
75162220363
oct1453443340
9484281346
10212748000
11aa0aa7a3
125b2ba080
13350cb8ba
14203800da
1513a266a0
hexcae46e0

212748000 has 96 divisors (see below), whose sum is σ = 697001760. Its totient is φ = 56729600.

The previous prime is 212747929. The next prime is 212748017. The reversal of 212748000 is 847212.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 3136 + ... + 20864.

It is an arithmetic number, because the mean of its divisors is an integer number (7260435).

Almost surely, 2212748000 is an apocalyptic number.

212748000 is a gapful number since it is divisible by the number (20) 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 212748000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348500880).

212748000 is an abundant number, since it is smaller than the sum of its proper divisors (484253760).

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

212748000 is a wasteful number, since it uses less digits than its factorization.

212748000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757 (or 17739 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 212748000 is about 14585.8835865367. The cubic root of 212748000 is about 596.9736498952.

The spelling of 212748000 in words is "two hundred twelve million, seven hundred forty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 12000 17729 35458 53187 70916 88645 106374 141832 177290 212748 265935 283664 354580 425496 443225 531870 567328 709160 850992 886450 1063740 1329675 1418320 1701984 1772900 2127480 2216125 2659350 2836640 3545800 4254960 4432250 5318700 6648375 7091600 8509920 8864500 10637400 13296750 14183200 17729000 21274800 26593500 35458000 42549600 53187000 70916000 106374000 212748000