Base | Representation |
---|---|
bin | 11011110011001… |
… | …10100011010000 |
3 | 121020210222122020 |
4 | 31321212203100 |
5 | 434200011140 |
6 | 35050211440 |
7 | 5531125545 |
oct | 1571464320 |
9 | 536728566 |
10 | 233203920 |
11 | 10a701614 |
12 | 66123b80 |
13 | 394116b1 |
14 | 22d86bcc |
15 | 157176d0 |
hex | de668d0 |
233203920 has 40 divisors (see below), whose sum is σ = 722932896. Its totient is φ = 62187648.
The previous prime is 233203913. The next prime is 233203939. The reversal of 233203920 is 29302332.
233203920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485602 + ... + 486081.
Almost surely, 2233203920 is an apocalyptic number.
233203920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233203920 is an abundant number, since it is smaller than the sum of its proper divisors (489728976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233203920 is a wasteful number, since it uses less digits than its factorization.
233203920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 971699 (or 971693 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
The square root of 233203920 is about 15271.0156833133. The cubic root of 233203920 is about 615.5244122464.
The spelling of 233203920 in words is "two hundred thirty-three million, two hundred three thousand, nine hundred twenty".
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