Base | Representation |
---|---|
bin | 101000010000110… |
… | …000100010000011 |
3 | 1202002001000201220 |
4 | 220100300202003 |
5 | 2340410403411 |
6 | 151005530123 |
7 | 22511333331 |
oct | 5020604203 |
9 | 1662030656 |
10 | 675481731 |
11 | 317323471 |
12 | 16a273943 |
13 | a9c36542 |
14 | 659d4b51 |
15 | 3e47cb06 |
hex | 28430883 |
675481731 has 16 divisors (see below), whose sum is σ = 940157088. Its totient is φ = 430963200.
The previous prime is 675481699. The next prime is 675481747. The reversal of 675481731 is 137184576.
It is not a de Polignac number, because 675481731 - 25 = 675481699 is a prime.
It is a super-3 number, since 3×6754817313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (675481771) 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, 43110 + ... + 56651.
It is an arithmetic number, because the mean of its divisors is an integer number (58759818).
Almost surely, 2675481731 is an apocalyptic number.
675481731 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
675481731 is a deficient number, since it is larger than the sum of its proper divisors (264675357).
675481731 is a wasteful number, since it uses less digits than its factorization.
675481731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99862.
The product of its digits is 141120, while the sum is 42.
The square root of 675481731 is about 25990.0313774339. The cubic root of 675481731 is about 877.4139518386.
The spelling of 675481731 in words is "six hundred seventy-five million, four hundred eighty-one thousand, seven hundred thirty-one".
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