Base | Representation |
---|---|
bin | 101100000001… |
… | …0011000110000 |
3 | 1121102111200100 |
4 | 1120002120300 |
5 | 21402002243 |
6 | 2142352400 |
7 | 400110051 |
oct | 130023060 |
9 | 47374610 |
10 | 23078448 |
11 | 120331a8 |
12 | 788b700 |
13 | 4a206b3 |
14 | 30ca728 |
15 | 205d0d3 |
hex | 1602630 |
23078448 has 60 divisors (see below), whose sum is σ = 65108680. Its totient is φ = 7630848.
The previous prime is 23078441. The next prime is 23078527. The reversal of 23078448 is 84487032.
It is a super-2 number, since 2×230784482 = 1065229524177408, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (23078441) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19440 + ... + 20592.
Almost surely, 223078448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23078448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32554340).
23078448 is an abundant number, since it is smaller than the sum of its proper divisors (42030232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23078448 is a wasteful number, since it uses less digits than its factorization.
23078448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306 (or 1297 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 23078448 is about 4804.0033305567. The cubic root of 23078448 is about 284.7096581486.
The spelling of 23078448 in words is "twenty-three million, seventy-eight thousand, four hundred forty-eight".
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