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406670231 = 11219916889
BaseRepresentation
bin11000001111010…
…100101110010111
31001100012222200102
4120033110232113
51313101421411
6104204204315
713035432332
oct3017245627
91040188612
10406670231
11199611400
12b423969b
1366338696
143c01d619
1525a7ed3b
hex183d4b97

406670231 has 12 divisors (see below), whose sum is σ = 449274000. Its totient is φ = 367820640.

The previous prime is 406670227. The next prime is 406670233. The reversal of 406670231 is 132076604.

It is not a de Polignac number, because 406670231 - 22 = 406670227 is a prime.

It is a super-2 number, since 2×4066702312 = 330761353563186722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406670194 and 406670203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406670233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15635 + ... + 32523.

It is an arithmetic number, because the mean of its divisors is an integer number (37439500).

Almost surely, 2406670231 is an apocalyptic number.

406670231 is a deficient number, since it is larger than the sum of its proper divisors (42603769).

406670231 is a wasteful number, since it uses less digits than its factorization.

406670231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110 (or 17099 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 406670231 is about 20166.0663243975. The cubic root of 406670231 is about 740.8792999065.

The spelling of 406670231 in words is "four hundred six million, six hundred seventy thousand, two hundred thirty-one".

Divisors: 1 11 121 199 2189 16889 24079 185779 2043569 3360911 36970021 406670231