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202444331 = 2931322303
BaseRepresentation
bin11000001000100…
…00111000101011
3112002221020102012
430010100320223
5403311204311
632031030135
75005514465
oct1404207053
9462836365
10202444331
11a4302471
125796b34b
1332c31a5b
141cc5b135
1512b8d78b
hexc110e2b

202444331 has 8 divisors (see below), whose sum is σ = 210103680. Its totient is φ = 194830272.

The previous prime is 202444327. The next prime is 202444349. The reversal of 202444331 is 133444202.

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 202444331 - 22 = 202444327 is a prime.

It is a super-2 number, since 2×2024443312 = 81967414308075122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202444297 and 202444306.

It is not an unprimeable number, because it can be changed into a prime (202444391) 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 7 ways as a sum of consecutive naturals, for example, 2075 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (26262960).

Almost surely, 2202444331 is an apocalyptic number.

202444331 is a deficient number, since it is larger than the sum of its proper divisors (7659349).

202444331 is a wasteful number, since it uses less digits than its factorization.

202444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22645.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 202444331 is about 14228.2933270298. The cubic root of 202444331 is about 587.1763296962.

Adding to 202444331 its reverse (133444202), we get a palindrome (335888533).

The spelling of 202444331 in words is "two hundred two million, four hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 29 313 9077 22303 646787 6980839 202444331