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202260481 = 1237916339
BaseRepresentation
bin11000000111001…
…00000000000001
3112002120220012221
430003210000001
5403234313411
632023051041
75004120463
oct1403440001
9462526187
10202260481
11a4197325
12578a0a81
1332b99177
141cc10133
1512b54071
hexc0e4001

202260481 has 4 divisors (see below), whose sum is σ = 202289200. Its totient is φ = 202231764.

The previous prime is 202260473. The next prime is 202260493. The reversal of 202260481 is 184062202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 202260481 - 23 = 202260473 is a prime.

It is a super-2 number, since 2×2022604812 = 81818604348702722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202260451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4210 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (50572300).

It is a Proth number, since it is equal to 12345 ⋅ 214 + 1 and 12345 < 214.

Almost surely, 2202260481 is an apocalyptic number.

It is an amenable number.

202260481 is a deficient number, since it is larger than the sum of its proper divisors (28719).

202260481 is a wasteful number, since it uses less digits than its factorization.

202260481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28718.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 202260481 is about 14221.8311408904. The cubic root of 202260481 is about 586.9985276255.

The spelling of 202260481 in words is "two hundred two million, two hundred sixty thousand, four hundred eighty-one".

Divisors: 1 12379 16339 202260481