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201423313 = 71319971201
BaseRepresentation
bin11000000000101…
…11100111010001
3112001000100211201
430000113213101
5403031021223
631553111201
74664032660
oct1400274721
9461010751
10201423313
11a3775353
1257558501
13329650c0
141ca72dd7
1512a3aead
hexc0179d1

201423313 has 32 divisors (see below), whose sum is σ = 263863040. Its totient is φ = 149299200.

The previous prime is 201423311. The next prime is 201423331. The reversal of 201423313 is 313324102.

It is a cyclic number.

It is not a de Polignac number, because 201423313 - 21 = 201423311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (201423311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167113 + ... + 168313.

It is an arithmetic number, because the mean of its divisors is an integer number (8245720).

Almost surely, 2201423313 is an apocalyptic number.

It is an amenable number.

201423313 is a deficient number, since it is larger than the sum of its proper divisors (62439727).

201423313 is a wasteful number, since it uses less digits than its factorization.

201423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 201423313 is about 14192.3681251580. The cubic root of 201423313 is about 586.1875338932.

Adding to 201423313 its reverse (313324102), we get a palindrome (514747415).

The spelling of 201423313 in words is "two hundred one million, four hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 7 13 19 91 97 133 247 679 1201 1261 1729 1843 8407 8827 12901 15613 22819 23959 109291 116497 159733 167713 296647 815479 1514461 2076529 2213443 10601227 15494101 28774759 201423313