Base | Representation |
---|---|
bin | 101011111100… |
… | …0001000111110 |
3 | 1121100101002220 |
4 | 1113320020332 |
5 | 21344131403 |
6 | 2141430210 |
7 | 366543513 |
oct | 127701076 |
9 | 47311086 |
10 | 23036478 |
11 | 12004713 |
12 | 786b366 |
13 | 4a0756a |
14 | 30b930a |
15 | 2050953 |
hex | 15f823e |
23036478 has 16 divisors (see below), whose sum is σ = 48076416. Its totient is φ = 7344920.
The previous prime is 23036473. The next prime is 23036509. The reversal of 23036478 is 87463032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23036473) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83328 + ... + 83603.
It is an arithmetic number, because the mean of its divisors is an integer number (3004776).
Almost surely, 223036478 is an apocalyptic number.
23036478 is an abundant number, since it is smaller than the sum of its proper divisors (25039938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23036478 is a wasteful number, since it uses less digits than its factorization.
23036478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166959.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 23036478 is about 4799.6331109784. The cubic root of 23036478 is about 284.5369643400.
The spelling of 23036478 in words is "twenty-three million, thirty-six thousand, four hundred seventy-eight".
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