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201000740 = 22529346553
BaseRepresentation
bin10111111101100…
…00011100100100
3112000012220011212
423332300130210
5402424010430
631540050552
74660322663
oct1376603444
9460186155
10201000740
11a3506916
1257393a58
1332847965
141c9a2dda
15129a5b95
hexbfb0724

201000740 has 24 divisors (see below), whose sum is σ = 436658040. Its totient is φ = 77627648.

The previous prime is 201000739. The next prime is 201000757. The reversal of 201000740 is 47000102.

It is a happy number.

201000740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34951744 + 166048996 = 5912^2 + 12886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172697 + ... + 173856.

It is an arithmetic number, because the mean of its divisors is an integer number (18194085).

Almost surely, 2201000740 is an apocalyptic number.

201000740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000740 is an abundant number, since it is smaller than the sum of its proper divisors (235657300).

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

201000740 is a wasteful number, since it uses less digits than its factorization.

201000740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346591 (or 346589 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 201000740 is about 14177.4729765216. The cubic root of 201000740 is about 585.7773191277. Note that the first 3 decimals are identical.

Adding to 201000740 its reverse (47000102), we get a palindrome (248000842).

The spelling of 201000740 in words is "two hundred one million, seven hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 346553 693106 1386212 1732765 3465530 6931060 10050037 20100074 40200148 50250185 100500370 201000740