Base | Representation |
---|---|
bin | 10111101111010… |
… | …100011110011001 |
3 | 1000202102202021101 |
4 | 113233110132121 |
5 | 1303424434401 |
6 | 103304311401 |
7 | 12604220635 |
oct | 2757243631 |
9 | 1022382241 |
10 | 398280601 |
11 | 194901124 |
12 | b1472561 |
13 | 6468bac4 |
14 | 3ac77dc5 |
15 | 24e74101 |
hex | 17bd4799 |
398280601 has 8 divisors (see below), whose sum is σ = 408376584. Its totient is φ = 388202880.
The previous prime is 398280599. The next prime is 398280661. The reversal of 398280601 is 106082893.
It can be written as a sum of positive squares in 4 ways, for example, as 2310400 + 395970201 = 1520^2 + 19899^2 .
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 398280601 - 21 = 398280599 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (398280661) 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, 46791 + ... + 54643.
It is an arithmetic number, because the mean of its divisors is an integer number (51047073).
Almost surely, 2398280601 is an apocalyptic number.
It is an amenable number.
398280601 is a deficient number, since it is larger than the sum of its proper divisors (10095983).
398280601 is a wasteful number, since it uses less digits than its factorization.
398280601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9131.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 398280601 is about 19956.9687327510. The cubic root of 398280601 is about 735.7490634230.
The spelling of 398280601 in words is "three hundred ninety-eight million, two hundred eighty thousand, six hundred one".
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