Base | Representation |
---|---|
bin | 101011111010… |
… | …0001001000101 |
3 | 1121022112122100 |
4 | 1113310021011 |
5 | 21343120401 |
6 | 2141222313 |
7 | 366444666 |
oct | 127641105 |
9 | 47275570 |
10 | 23020101 |
11 | 11aa3385 |
12 | 7861999 |
13 | 49ccc80 |
14 | 30b336d |
15 | 204ab86 |
hex | 15f4245 |
23020101 has 24 divisors (see below), whose sum is σ = 36073856. Its totient is φ = 14061600.
The previous prime is 23020099. The next prime is 23020111. The reversal of 23020101 is 10102032.
It is a happy number.
It is not a de Polignac number, because 23020101 - 21 = 23020099 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17016 + ... + 18318.
Almost surely, 223020101 is an apocalyptic number.
It is an amenable number.
23020101 is a deficient number, since it is larger than the sum of its proper divisors (13053755).
23020101 is a wasteful number, since it uses less digits than its factorization.
23020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1473 (or 1470 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 23020101 is about 4797.9267397492. The cubic root of 23020101 is about 284.4695210651.
Adding to 23020101 its reverse (10102032), we get a palindrome (33122133).
The spelling of 23020101 in words is "twenty-three million, twenty thousand, one hundred one".
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