Base | Representation |
---|---|
bin | 10111111001000… |
… | …111011001100001 |
3 | 1000221021012202001 |
4 | 113321013121201 |
5 | 1310104122411 |
6 | 103435324001 |
7 | 12635104315 |
oct | 2771073141 |
9 | 1027235661 |
10 | 400848481 |
11 | 1962a5440 |
12 | b22b0601 |
13 | 6507a867 |
14 | 3b345b45 |
15 | 252cedc1 |
hex | 17e47661 |
400848481 has 8 divisors (see below), whose sum is σ = 441302400. Its totient is φ = 361063440.
The previous prime is 400848433. The next prime is 400848517. The reversal of 400848481 is 184848004.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 400848481 - 29 = 400847969 is a prime.
It is a super-2 number, since 2×4008484812 = 321359009440014722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 400848481.
It is not an unprimeable number, because it can be changed into a prime (400878481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165961 + ... + 168358.
It is an arithmetic number, because the mean of its divisors is an integer number (55162800).
Almost surely, 2400848481 is an apocalyptic number.
It is an amenable number.
400848481 is a deficient number, since it is larger than the sum of its proper divisors (40453919).
400848481 is a wasteful number, since it uses less digits than its factorization.
400848481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334439.
The product of its (nonzero) digits is 32768, while the sum is 37.
The square root of 400848481 is about 20021.2007881645. The cubic root of 400848481 is about 737.3269035877.
The spelling of 400848481 in words is "four hundred million, eight hundred forty-eight thousand, four hundred eighty-one".
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