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200231401 is a prime number
BaseRepresentation
bin10111110111101…
…00100111101001
3111221202210211211
423323310213221
5402224401101
631511353121
74650640006
oct1373644751
9457683754
10200231401
11a30308a7
12570827a1
1332638726
141c8428ad
15128a2c51
hexbef49e9

200231401 has 2 divisors, whose sum is σ = 200231402. Its totient is φ = 200231400.

The previous prime is 200231393. The next prime is 200231407. The reversal of 200231401 is 104132002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130074025 + 70157376 = 11405^2 + 8376^2 .

It is a cyclic number.

It is not a de Polignac number, because 200231401 - 23 = 200231393 is a prime.

It is a super-2 number, since 2×2002314012 = 80185227892845602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200231407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100115700 + 100115701.

It is an arithmetic number, because the mean of its divisors is an integer number (100115701).

Almost surely, 2200231401 is an apocalyptic number.

It is an amenable number.

200231401 is a deficient number, since it is larger than the sum of its proper divisors (1).

200231401 is an equidigital number, since it uses as much as digits as its factorization.

200231401 is an evil number, because the sum of its binary digits is even.

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

The square root of 200231401 is about 14150.3145194727. The cubic root of 200231401 is about 585.0290009243.

Adding to 200231401 its reverse (104132002), we get a palindrome (304363403).

The spelling of 200231401 in words is "two hundred million, two hundred thirty-one thousand, four hundred one".