Base | Representation |
---|---|
bin | 1010000001001… |
… | …1101001111000 |
3 | 2221002000110120 |
4 | 2200103221320 |
5 | 41224223134 |
6 | 4100413240 |
7 | 1020123423 |
oct | 240235170 |
9 | 87060416 |
10 | 42023544 |
11 | 217a2a02 |
12 | 120a7220 |
13 | 8924904 |
14 | 581c9ba |
15 | 3a51649 |
hex | 2813a78 |
42023544 has 16 divisors (see below), whose sum is σ = 105058920. Its totient is φ = 14007840.
The previous prime is 42023537. The next prime is 42023567. The reversal of 42023544 is 44532024.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1750981 = 42023544 / (4 + 2 + 0 + 2 + 3 + 5 + 4 + 4).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875467 + ... + 875514.
Almost surely, 242023544 is an apocalyptic number.
It is an amenable number.
42023544 is an abundant number, since it is smaller than the sum of its proper divisors (63035376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42023544 is a wasteful number, since it uses less digits than its factorization.
42023544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750990 (or 1750986 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 42023544 is about 6482.5569029512. The cubic root of 42023544 is about 347.6676043964.
Adding to 42023544 its reverse (44532024), we get a palindrome (86555568).
The spelling of 42023544 in words is "forty-two million, twenty-three thousand, five hundred forty-four".
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