Base | Representation |
---|---|
bin | 100110101010… |
… | …0111011010010 |
3 | 1102010212022110 |
4 | 1031110323102 |
5 | 20142131202 |
6 | 2002250150 |
7 | 334204356 |
oct | 115247322 |
9 | 42125273 |
10 | 20270802 |
11 | 10495832 |
12 | 6956956 |
13 | 4279776 |
14 | 2999466 |
15 | 1ba626c |
hex | 1354ed2 |
20270802 has 16 divisors (see below), whose sum is σ = 41484960. Its totient is φ = 6599712.
The previous prime is 20270791. The next prime is 20270821. The reversal of 20270802 is 20807202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39027 + ... + 39542.
It is an arithmetic number, because the mean of its divisors is an integer number (2592810).
Almost surely, 220270802 is an apocalyptic number.
20270802 is an abundant number, since it is smaller than the sum of its proper divisors (21214158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20270802 is a wasteful number, since it uses less digits than its factorization.
20270802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78617.
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 20270802 is about 4502.3107400534. The cubic root of 20270802 is about 272.6613896818.
The spelling of 20270802 in words is "twenty million, two hundred seventy thousand, eight hundred two".
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