Base | Representation |
---|---|
bin | 100110010010… |
… | …1011110100010 |
3 | 1101202222201020 |
4 | 1030211132202 |
5 | 20114421300 |
6 | 1554150310 |
7 | 332434632 |
oct | 114453642 |
9 | 41688636 |
10 | 20076450 |
11 | 10372809 |
12 | 6882396 |
13 | 420c174 |
14 | 29486c2 |
15 | 1b688a0 |
hex | 13257a2 |
20076450 has 24 divisors (see below), whose sum is σ = 49789968. Its totient is φ = 5353680.
The previous prime is 20076449. The next prime is 20076479. The reversal of 20076450 is 5467002.
It is a happy number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20076450.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66772 + ... + 67071.
It is an arithmetic number, because the mean of its divisors is an integer number (2074582).
Almost surely, 220076450 is an apocalyptic number.
20076450 is an abundant number, since it is smaller than the sum of its proper divisors (29713518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20076450 is a wasteful number, since it uses less digits than its factorization.
20076450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133858 (or 133853 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 20076450 is about 4480.6751723373. The cubic root of 20076450 is about 271.7871839517.
The spelling of 20076450 in words is "twenty million, seventy-six thousand, four hundred fifty".
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