Base | Representation |
---|---|
bin | 101100110101… |
… | …0000011001010 |
3 | 1122020002010100 |
4 | 1121222003022 |
5 | 22004044200 |
6 | 2155430230 |
7 | 403526004 |
oct | 131520312 |
9 | 48202110 |
10 | 23503050 |
11 | 122a320a |
12 | 7a55376 |
13 | 4b3ba3c |
14 | 319b374 |
15 | 20e3d00 |
hex | 166a0ca |
23503050 has 72 divisors (see below), whose sum is σ = 65358540. Its totient is φ = 6048000.
The previous prime is 23503013. The next prime is 23503087. The reversal of 23503050 is 5030532.
It is an interprime number because it is at equal distance from previous prime (23503013) and next prime (23503087).
It can be written as a sum of positive squares in 6 ways, for example, as 4397409 + 19105641 = 2097^2 + 4371^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12150 + ... + 13950.
Almost surely, 223503050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23503050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32679270).
23503050 is an abundant number, since it is smaller than the sum of its proper divisors (41855490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23503050 is a wasteful number, since it uses less digits than its factorization.
23503050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1848 (or 1840 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 18.
The square root of 23503050 is about 4847.9944306899. The cubic root of 23503050 is about 286.4451070330.
Adding to 23503050 its reverse (5030532), we get a palindrome (28533582).
The spelling of 23503050 in words is "twenty-three million, five hundred three thousand, fifty".
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