Base | Representation |
---|---|
bin | 101100010001… |
… | …1010000010000 |
3 | 1121200100100102 |
4 | 1120203100100 |
5 | 21420304242 |
6 | 2145311532 |
7 | 401210411 |
oct | 130432020 |
9 | 47610312 |
10 | 23213072 |
11 | 12115363 |
12 | 79355a8 |
13 | 4a69a5c |
14 | 3123808 |
15 | 2087e32 |
hex | 1623410 |
23213072 has 20 divisors (see below), whose sum is σ = 46931520. Its totient is φ = 11101728.
The previous prime is 23213059. The next prime is 23213083. The reversal of 23213072 is 27031232.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31172 + ... + 31907.
It is an arithmetic number, because the mean of its divisors is an integer number (2346576).
Almost surely, 223213072 is an apocalyptic number.
It is an amenable number.
23213072 is an abundant number, since it is smaller than the sum of its proper divisors (23718448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23213072 is a wasteful number, since it uses less digits than its factorization.
23213072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63110 (or 63104 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 23213072 is about 4817.9946035669. The cubic root of 23213072 is about 285.2621861411.
The spelling of 23213072 in words is "twenty-three million, two hundred thirteen thousand, seventy-two".
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