Base | Representation |
---|---|
bin | 111011111010… |
… | …1010011011110 |
3 | 2012002222011212 |
4 | 1313311103132 |
5 | 31020212340 |
6 | 3041144422 |
7 | 531003314 |
oct | 167652336 |
9 | 65088155 |
10 | 31413470 |
11 | 16806450 |
12 | a62b112 |
13 | 667b46a |
14 | 425a0b4 |
15 | 2b57a65 |
hex | 1df54de |
31413470 has 32 divisors (see below), whose sum is σ = 61935840. Its totient is φ = 11376640.
The previous prime is 31413463. The next prime is 31413493. The reversal of 31413470 is 7431413.
It is a super-3 number, since 3×314134703 (a number of 23 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38426 + ... + 39234.
It is an arithmetic number, because the mean of its divisors is an integer number (1935495).
Almost surely, 231413470 is an apocalyptic number.
31413470 is a deficient number, since it is larger than the sum of its proper divisors (30522370).
31413470 is a wasteful number, since it uses less digits than its factorization.
31413470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1180.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 31413470 is about 5604.7720738671. The cubic root of 31413470 is about 315.5285323590.
Adding to 31413470 its reverse (7431413), we get a palindrome (38844883).
The spelling of 31413470 in words is "thirty-one million, four hundred thirteen thousand, four hundred seventy".
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