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200478124 = 227112471259
BaseRepresentation
bin10111111001100…
…00110110101100
3111222020100021201
423330300312230
5402310244444
631520535244
74653015220
oct1374606654
9458210251
10200478124
11a318a200
1257181524
13326c3b12
141c8a8780
1512900dd4
hexbf30dac

200478124 has 72 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 76385760.

The previous prime is 200478119. The next prime is 200478149. The reversal of 200478124 is 421874002.

200478124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 200478092 and 200478101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158607 + ... + 159865.

It is an arithmetic number, because the mean of its divisors is an integer number (6256320).

Almost surely, 2200478124 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 200478124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225227520).

200478124 is an abundant number, since it is smaller than the sum of its proper divisors (249976916).

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

200478124 is a wasteful number, since it uses less digits than its factorization.

200478124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 200478124 is about 14159.0297690202. The cubic root of 200478124 is about 585.2691911329.

The spelling of 200478124 in words is "two hundred million, four hundred seventy-eight thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 47 77 94 121 154 188 242 308 329 484 517 658 847 1034 1259 1316 1694 2068 2518 3388 3619 5036 5687 7238 8813 11374 13849 14476 17626 22748 27698 35252 39809 55396 59173 79618 96943 118346 152339 159236 193886 236692 304678 387772 414211 609356 650903 828422 1066373 1301806 1656844 2132746 2603612 4265492 4556321 7159933 9112642 14319866 18225284 28639732 50119531 100239062 200478124