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200031241 = 2910963281
BaseRepresentation
bin10111110110000…
…11110000001001
3111221101122021111
423323003300021
5402201444431
631503210321
74646144314
oct1373036011
9457348244
10200031241
11a2a04483
1256ba69a1
13325985a7
141c7cd97b
15128637b1
hexbec3c09

200031241 has 8 divisors (see below), whose sum is σ = 208830600. Its totient is φ = 191358720.

The previous prime is 200031233. The next prime is 200031263. The reversal of 200031241 is 142130002.

200031241 is digitally balanced in base 2, 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 18455616 + 181575625 = 4296^2 + 13475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200031241 - 23 = 200031233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200031281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28480 + ... + 34801.

It is an arithmetic number, because the mean of its divisors is an integer number (26103825).

Almost surely, 2200031241 is an apocalyptic number.

It is an amenable number.

200031241 is a deficient number, since it is larger than the sum of its proper divisors (8799359).

200031241 is a wasteful number, since it uses less digits than its factorization.

200031241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63419.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200031241 is about 14143.2401167484. The cubic root of 200031241 is about 584.8339958033.

Adding to 200031241 its reverse (142130002), we get a palindrome (342161243).

The spelling of 200031241 in words is "two hundred million, thirty-one thousand, two hundred forty-one".

Divisors: 1 29 109 3161 63281 1835149 6897629 200031241