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201420233 = 731734543
BaseRepresentation
bin11000000000101…
…10110111001001
3112001000012121122
430000112313021
5403030421413
631553045025
74664021000
oct1400266711
9461005548
10201420233
11a3773003
1257556775
1332963891
141ca71c37
1512a3a108
hexc016dc9

201420233 has 16 divisors (see below), whose sum is σ = 248716800. Its totient is φ = 162485568.

The previous prime is 201420187. The next prime is 201420253. The reversal of 201420233 is 332024102.

It is not a de Polignac number, because 201420233 - 216 = 201354697 is a prime.

It is a super-2 number, since 2×2014202332 = 81140220523548578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (201420253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11441 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (15544800).

Almost surely, 2201420233 is an apocalyptic number.

It is an amenable number.

201420233 is a deficient number, since it is larger than the sum of its proper divisors (47296567).

201420233 is an equidigital number, since it uses as much as digits as its factorization.

201420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34581 (or 34567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 201420233 is about 14192.2596157201. The cubic root of 201420233 is about 586.1845460451.

Adding to 201420233 its reverse (332024102), we get a palindrome (533444335).

The spelling of 201420233 in words is "two hundred one million, four hundred twenty thousand, two hundred thirty-three".

Divisors: 1 7 17 49 119 343 833 5831 34543 241801 587231 1692607 4110617 11848249 28774319 201420233