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202401193 = 1131791161
BaseRepresentation
bin11000001000001…
…10010110101001
3112002212001020111
430010012112221
5403303314233
632030054321
75005244641
oct1404062651
9462761214
10202401193
11a4283015
125794a3a1
1332c18227
141cc49521
1512b80acd
hexc1065a9

202401193 has 4 divisors (see below), whose sum is σ = 204192468. Its totient is φ = 200609920.

The previous prime is 202401181. The next prime is 202401203. The reversal of 202401193 is 391104202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93470224 + 108930969 = 9668^2 + 10437^2 .

It is a cyclic number.

It is not a de Polignac number, because 202401193 - 217 = 202270121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895468 + ... + 895693.

It is an arithmetic number, because the mean of its divisors is an integer number (51048117).

Almost surely, 2202401193 is an apocalyptic number.

It is an amenable number.

202401193 is a deficient number, since it is larger than the sum of its proper divisors (1791275).

202401193 is a wasteful number, since it uses less digits than its factorization.

202401193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791274.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 202401193 is about 14226.7773230623. Note that the first 3 decimals coincide. The cubic root of 202401193 is about 587.1346204326.

Adding to 202401193 its reverse (391104202), we get a palindrome (593505395).

The spelling of 202401193 in words is "two hundred two million, four hundred one thousand, one hundred ninety-three".

Divisors: 1 113 1791161 202401193