Base | Representation |
---|---|
bin | 1010001100010… |
… | …1010110001000 |
3 | 2222102222212000 |
4 | 2203011112020 |
5 | 41421020433 |
6 | 4124151000 |
7 | 1026244362 |
oct | 243052610 |
9 | 88388760 |
10 | 42751368 |
11 | 2214a810 |
12 | 12398460 |
13 | 8b1ac8a |
14 | 596bd32 |
15 | 3b47113 |
hex | 28c5588 |
42751368 has 128 divisors (see below), whose sum is σ = 136512000. Its totient is φ = 12260160.
The previous prime is 42751367. The next prime is 42751409. The reversal of 42751368 is 86315724.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (42751367) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44671 + ... + 45617.
It is an arithmetic number, because the mean of its divisors is an integer number (1066500).
Almost surely, 242751368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42751368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68256000).
42751368 is an abundant number, since it is smaller than the sum of its proper divisors (93760632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42751368 is a wasteful number, since it uses less digits than its factorization.
42751368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992 (or 982 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 42751368 is about 6538.4530280488. The cubic root of 42751368 is about 349.6632625209.
The spelling of 42751368 in words is "forty-two million, seven hundred fifty-one thousand, three hundred sixty-eight".
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