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201768030 = 233519371063
BaseRepresentation
bin11000000011010…
…11110001011110
3112001122212201000
430001223301132
5403123034110
632004331130
74666666662
oct1401536136
9461585630
10201768030
11a3990342
12576a3aa6
1332a55c89
141cb228a2
1512aa81c0
hexc06bc5e

201768030 has 128 divisors (see below), whose sum is σ = 582220800. Its totient is φ = 49548672.

The previous prime is 201767999. The next prime is 201768037. The reversal of 201768030 is 30867102.

201768030 is digitally balanced in base 2 and base 3, because in such bases 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 201767985 and 201768003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201768037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189279 + ... + 190341.

It is an arithmetic number, because the mean of its divisors is an integer number (4548600).

Almost surely, 2201768030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201768030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291110400).

201768030 is an abundant number, since it is smaller than the sum of its proper divisors (380452770).

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

201768030 is a wasteful number, since it uses less digits than its factorization.

201768030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 201768030 is about 14204.5073832217. The cubic root of 201768030 is about 586.5217448653.

The spelling of 201768030 in words is "two hundred one million, seven hundred sixty-eight thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 37 38 45 54 57 74 90 95 111 114 135 171 185 190 222 270 285 333 342 370 513 555 570 666 703 855 999 1026 1063 1110 1406 1665 1710 1998 2109 2126 2565 3189 3330 3515 4218 4995 5130 5315 6327 6378 7030 9567 9990 10545 10630 12654 15945 18981 19134 20197 21090 28701 31635 31890 37962 39331 40394 47835 57402 60591 63270 78662 94905 95670 100985 117993 121182 143505 181773 189810 196655 201970 235986 287010 302955 353979 363546 393310 545319 589965 605910 707958 747289 908865 1061937 1090638 1179930 1494578 1769895 1817730 2123874 2241867 2726595 3539790 3736445 4483734 5309685 5453190 6725601 7472890 10619370 11209335 13451202 20176803 22418670 33628005 40353606 67256010 100884015 201768030