Base | Representation |
---|---|
bin | 10111111001011… |
… | …111110000000110 |
3 | 1000221110021120110 |
4 | 113321133300012 |
5 | 1310120320410 |
6 | 103441413450 |
7 | 12636001164 |
oct | 2771376006 |
9 | 1027407513 |
10 | 400948230 |
11 | 196363381 |
12 | b233a286 |
13 | 650b4097 |
14 | 3b370234 |
15 | 252ee720 |
hex | 17e5fc06 |
400948230 has 32 divisors (see below), whose sum is σ = 1018881504. Its totient is φ = 100630016.
The previous prime is 400948201. The next prime is 400948231. The reversal of 400948230 is 32849004.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (400948231) by changing a digit.
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, 392577 + ... + 393596.
It is an arithmetic number, because the mean of its divisors is an integer number (31840047).
Almost surely, 2400948230 is an apocalyptic number.
400948230 is an abundant number, since it is smaller than the sum of its proper divisors (617933274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
400948230 is a wasteful number, since it uses less digits than its factorization.
400948230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 786200.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 400948230 is about 20023.6917175630. The cubic root of 400948230 is about 737.3880584670.
The spelling of 400948230 in words is "four hundred million, nine hundred forty-eight thousand, two hundred thirty".
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