Base | Representation |
---|---|
bin | 11000010000110… |
… | …111000111001111 |
3 | 1001100222110111100 |
4 | 120100313013033 |
5 | 1313202320411 |
6 | 104220554143 |
7 | 13042031265 |
oct | 3020670717 |
9 | 1040873440 |
10 | 407073231 |
11 | 199867164 |
12 | b43b2953 |
13 | 66449c46 |
14 | 3c0c6435 |
15 | 25b0e456 |
hex | 184371cf |
407073231 has 12 divisors (see below), whose sum is σ = 599089608. Its totient is φ = 266261424.
The previous prime is 407073229. The next prime is 407073257. The reversal of 407073231 is 132370704.
It is not a de Polignac number, because 407073231 - 21 = 407073229 is a prime.
It is a super-2 number, since 2×4070732312 = 331417230793558722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 407073195 and 407073204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (407073221) 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, 426225 + ... + 427178.
It is an arithmetic number, because the mean of its divisors is an integer number (49924134).
Almost surely, 2407073231 is an apocalyptic number.
407073231 is a deficient number, since it is larger than the sum of its proper divisors (192016377).
407073231 is a wasteful number, since it uses less digits than its factorization.
407073231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 853462 (or 853459 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The square root of 407073231 is about 20176.0558831502. The cubic root of 407073231 is about 741.1239500455.
The spelling of 407073231 in words is "four hundred seven million, seventy-three thousand, two hundred thirty-one".
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