Base | Representation |
---|---|
bin | 1010001100010… |
… | …0101010001010 |
3 | 2222102211222210 |
4 | 2203010222022 |
5 | 41420423204 |
6 | 4124125550 |
7 | 1026233232 |
oct | 243045212 |
9 | 88384883 |
10 | 42748554 |
11 | 22148692 |
12 | 123968b6 |
13 | 8b19904 |
14 | 596acc2 |
15 | 3b46389 |
hex | 28c4a8a |
42748554 has 8 divisors (see below), whose sum is σ = 85497120. Its totient is φ = 14249516.
The previous prime is 42748549. The next prime is 42748561. The reversal of 42748554 is 45584724.
It is a sphenic number, since it is the product of 3 distinct primes.
42748554 is an admirable number.
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, 3562374 + ... + 3562385.
It is an arithmetic number, because the mean of its divisors is an integer number (10687140).
Almost surely, 242748554 is an apocalyptic number.
42748554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42748554 is a wasteful number, since it uses less digits than its factorization.
42748554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7124764.
The product of its digits is 179200, while the sum is 39.
The square root of 42748554 is about 6538.2378359922. The cubic root of 42748554 is about 349.6555904545.
The spelling of 42748554 in words is "forty-two million, seven hundred forty-eight thousand, five hundred fifty-four".
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