Base | Representation |
---|---|
bin | 100110100101… |
… | …1010010000010 |
3 | 1102001212010100 |
4 | 1031023102002 |
5 | 20134400143 |
6 | 2001343230 |
7 | 333651243 |
oct | 115132202 |
9 | 42055110 |
10 | 20231298 |
11 | 1046908a |
12 | 6937b16 |
13 | 42647a9 |
14 | 2988cca |
15 | 1b996d3 |
hex | 134b482 |
20231298 has 12 divisors (see below), whose sum is σ = 43834518. Its totient is φ = 6743760.
The previous prime is 20231287. The next prime is 20231303. The reversal of 20231298 is 89213202.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 10478169 + 9753129 = 3237^2 + 3123^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561963 + ... + 561998.
Almost surely, 220231298 is an apocalyptic number.
20231298 is an abundant number, since it is smaller than the sum of its proper divisors (23603220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20231298 is a wasteful number, since it uses less digits than its factorization.
20231298 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123969 (or 1123966 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20231298 is about 4497.9215199912. The cubic root of 20231298 is about 272.4841524886.
It can be divided in two parts, 2023 and 1298, that added together give a triangular number (3321 = T81).
The spelling of 20231298 in words is "twenty million, two hundred thirty-one thousand, two hundred ninety-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •