Base | Representation |
---|---|
bin | 100111011100… |
… | …0000101010110 |
3 | 1102220111102222 |
4 | 1032320011112 |
5 | 20243130300 |
6 | 2015102342 |
7 | 340515440 |
oct | 116700526 |
9 | 42814388 |
10 | 20676950 |
11 | 10742998 |
12 | 6b119b2 |
13 | 438c5a8 |
14 | 2a63490 |
15 | 1c36785 |
hex | 13b8156 |
20676950 has 24 divisors (see below), whose sum is σ = 43954032. Its totient is φ = 7089120.
The previous prime is 20676919. The next prime is 20676961. The reversal of 20676950 is 5967602.
It is a super-2 number, since 2×206769502 = 855072522605000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 20676950.
It is a congruent number.
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, 29189 + ... + 29888.
It is an arithmetic number, because the mean of its divisors is an integer number (1831418).
Almost surely, 220676950 is an apocalyptic number.
20676950 is an abundant number, since it is smaller than the sum of its proper divisors (23277082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20676950 is a wasteful number, since it uses less digits than its factorization.
20676950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59096 (or 59091 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 20676950 is about 4547.1914408786. The cubic root of 20676950 is about 274.4703856449.
The spelling of 20676950 in words is "twenty million, six hundred seventy-six thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •