Base | Representation |
---|---|
bin | 11000101010111… |
… | …01010000010010 |
3 | 112102102020000020 |
4 | 30111131100102 |
5 | 410434421232 |
6 | 32311404310 |
7 | 5062025655 |
oct | 1425352022 |
9 | 472366006 |
10 | 206951442 |
11 | a6900755 |
12 | 59383696 |
13 | 33b4c399 |
14 | 1d6b189c |
15 | 1327de2c |
hex | c55d412 |
206951442 has 32 divisors (see below), whose sum is σ = 418993344. Its totient is φ = 68140800.
The previous prime is 206951441. The next prime is 206951473. The reversal of 206951442 is 244159602.
It is not an unprimeable number, because it can be changed into a prime (206951441) 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, 220398 + ... + 221334.
It is an arithmetic number, because the mean of its divisors is an integer number (13093542).
Almost surely, 2206951442 is an apocalyptic number.
206951442 is an abundant number, since it is smaller than the sum of its proper divisors (212041902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206951442 is a wasteful number, since it uses less digits than its factorization.
206951442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1354.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 206951442 is about 14385.8069638099. The cubic root of 206951442 is about 591.5019112867.
The spelling of 206951442 in words is "two hundred six million, nine hundred fifty-one thousand, four hundred forty-two".
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