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201140757 = 3222348973
BaseRepresentation
bin10111111110100…
…10101000010101
3112000111000020200
423333102220111
5402443001012
631543051113
74661445126
oct1377225025
9460430220
10201140757
11a35a2034
1257440a99
13328965cc
141c9dc04d
15129d23dc
hexbfd2a15

201140757 has 6 divisors (see below), whose sum is σ = 290536662. Its totient is φ = 134093832.

The previous prime is 201140717. The next prime is 201140761. The reversal of 201140757 is 757041102.

201140757 is a `hidden beast` number, since 201 + 1 + 407 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138509361 + 62631396 = 11769^2 + 7914^2 .

It is not a de Polignac number, because 201140757 - 28 = 201140501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201140757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201140717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11174478 + ... + 11174495.

It is an arithmetic number, because the mean of its divisors is an integer number (48422777).

Almost surely, 2201140757 is an apocalyptic number.

It is an amenable number.

201140757 is a deficient number, since it is larger than the sum of its proper divisors (89395905).

201140757 is a wasteful number, since it uses less digits than its factorization.

201140757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348979 (or 22348976 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 201140757 is about 14182.4101266322. The cubic root of 201140757 is about 585.9133049380.

Adding to 201140757 its reverse (757041102), we get a palindrome (958181859).

The spelling of 201140757 in words is "two hundred one million, one hundred forty thousand, seven hundred fifty-seven".

Divisors: 1 3 9 22348973 67046919 201140757