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406142233 = 7219538231
BaseRepresentation
bin11000001101010…
…011110100011001
31001022020011101221
4120031103310121
51312433022413
6104145012041
713031103100
oct3015236431
91038204357
10406142233
11199290742
12b4024021
13661b2263
143bd23037
15259c868d
hex18353d19

406142233 has 24 divisors (see below), whose sum is σ = 506761920. Its totient is φ = 323537760.

The previous prime is 406142179. The next prime is 406142237. The reversal of 406142233 is 332241604.

It is not a de Polignac number, because 406142233 - 217 = 406011161 is a prime.

It is a super-3 number, since 3×4061422333 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406142198 and 406142207.

It is not an unprimeable number, because it can be changed into a prime (406142237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45228 + ... + 53458.

It is an arithmetic number, because the mean of its divisors is an integer number (21115080).

Almost surely, 2406142233 is an apocalyptic number.

It is an amenable number.

406142233 is a deficient number, since it is larger than the sum of its proper divisors (100619687).

406142233 is a wasteful number, since it uses less digits than its factorization.

406142233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 406142233 is about 20152.9708231814. The cubic root of 406142233 is about 740.5585222202.

Adding to 406142233 its reverse (332241604), we get a palindrome (738383837).

The spelling of 406142233 in words is "four hundred six million, one hundred forty-two thousand, two hundred thirty-three".

Divisors: 1 7 19 49 53 133 371 931 1007 2597 7049 8231 49343 57617 156389 403319 436243 1094723 3053701 7663061 8288617 21375907 58020319 406142233