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401002201 = 19110919031
BaseRepresentation
bin10111111001101…
…100111011011001
31000221120000121101
4113321230323121
51310124032301
6103442511401
712636314425
oct2771547331
91027500541
10401002201
1119639a986
12b2365561
1365102812
143b385b85
1525310701
hex17e6ced9

401002201 has 8 divisors (see below), whose sum is σ = 422510400. Its totient is φ = 379534320.

The previous prime is 401002193. The next prime is 401002241. The reversal of 401002201 is 102200104.

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 401002201 - 23 = 401002193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401002241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11556 + ... + 30586.

It is an arithmetic number, because the mean of its divisors is an integer number (52813800).

Almost surely, 2401002201 is an apocalyptic number.

It is an amenable number.

401002201 is a deficient number, since it is larger than the sum of its proper divisors (21508199).

401002201 is a wasteful number, since it uses less digits than its factorization.

401002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 401002201 is about 20025.0393507728. The cubic root of 401002201 is about 737.4211431917.

Adding to 401002201 its reverse (102200104), we get a palindrome (503202305).

The spelling of 401002201 in words is "four hundred one million, two thousand, two hundred one".

Divisors: 1 19 1109 19031 21071 361589 21105379 401002201