Base | Representation |
---|---|
bin | 1100111001001… |
… | …0110100000000 |
3 | 10202202111001120 |
4 | 3032102310000 |
5 | 102321004340 |
6 | 5211032240 |
7 | 1224442623 |
oct | 316226400 |
9 | 122674046 |
10 | 54078720 |
11 | 28587163 |
12 | 1613b680 |
13 | b285a57 |
14 | 7279dba |
15 | 4b334d0 |
hex | 3392d00 |
54078720 has 72 divisors (see below), whose sum is σ = 172726176. Its totient is φ = 14419968.
The previous prime is 54078701. The next prime is 54078721. The reversal of 54078720 is 2787045.
It is a super-4 number, since 4×540787204 (a number of 32 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54078721) 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, 3202 + ... + 10881.
Almost surely, 254078720 is an apocalyptic number.
It is an amenable number.
54078720 is an abundant number, since it is smaller than the sum of its proper divisors (118647456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54078720 is a wasteful number, since it uses less digits than its factorization.
54078720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14107 (or 14093 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 33.
The square root of 54078720 is about 7353.8234952982. The cubic root of 54078720 is about 378.1598942822.
The spelling of 54078720 in words is "fifty-four million, seventy-eight thousand, seven hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •