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40201193 is a prime number
BaseRepresentation
bin1001100101011…
…0101111101001
32210122102200002
42121112233221
540242414233
63553352345
7665463434
oct231265751
983572602
1040201193
112076882a
12115686b5
1384372b6
1454a681b
1537e16e8
hex2656be9

40201193 has 2 divisors, whose sum is σ = 40201194. Its totient is φ = 40201192.

The previous prime is 40201181. The next prime is 40201201. The reversal of 40201193 is 39110204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40043584 + 157609 = 6328^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 40201193 - 24 = 40201177 is a prime.

It is a super-2 number, since 2×402011932 = 3232271837246498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40201103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100596 + 20100597.

It is an arithmetic number, because the mean of its divisors is an integer number (20100597).

Almost surely, 240201193 is an apocalyptic number.

It is an amenable number.

40201193 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201193 is an equidigital number, since it uses as much as digits as its factorization.

40201193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40201193 is about 6340.4410729854. The cubic root of 40201193 is about 342.5676226433.

Adding to 40201193 its reverse (39110204), we get a palindrome (79311397).

The spelling of 40201193 in words is "forty million, two hundred one thousand, one hundred ninety-three".