Base | Representation |
---|---|
bin | 101011111100… |
… | …1000101110001 |
3 | 1121100120110000 |
4 | 1113321011301 |
5 | 21344242434 |
6 | 2141500213 |
7 | 366561042 |
oct | 127710561 |
9 | 47316400 |
10 | 23040369 |
11 | 12007630 |
12 | 7871669 |
13 | 4a09271 |
14 | 30ba8c9 |
15 | 2051b99 |
hex | 15f9171 |
23040369 has 40 divisors (see below), whose sum is σ = 39552480. Its totient is φ = 13219200.
The previous prime is 23040349. The next prime is 23040403. The reversal of 23040369 is 96304032.
It is not a de Polignac number, because 23040369 - 211 = 23038321 is a prime.
It is a super-2 number, since 2×230403692 = 1061717207312322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (23040349) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16249 + ... + 17609.
It is an arithmetic number, because the mean of its divisors is an integer number (988812).
Almost surely, 223040369 is an apocalyptic number.
It is an amenable number.
23040369 is a deficient number, since it is larger than the sum of its proper divisors (16512111).
23040369 is a wasteful number, since it uses less digits than its factorization.
23040369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1403 (or 1394 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 23040369 is about 4800.0384373461. The cubic root of 23040369 is about 284.5529834409.
It can be divided in two parts, 23040 and 369, that added together give a square (23409 = 1532).
The spelling of 23040369 in words is "twenty-three million, forty thousand, three hundred sixty-nine".
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