Base | Representation |
---|---|
bin | 1101000110001… |
… | …1110011111101 |
3 | 10211100222100112 |
4 | 3101203303331 |
5 | 103030403111 |
6 | 5241235405 |
7 | 1234636466 |
oct | 321436375 |
9 | 124328315 |
10 | 54934781 |
11 | 29011350 |
12 | 16492b65 |
13 | b4c55b5 |
14 | 741dd6d |
15 | 4c51e8b |
hex | 3463cfd |
54934781 has 8 divisors (see below), whose sum is σ = 59982528. Its totient is φ = 49896000.
The previous prime is 54934753. The next prime is 54934807. The reversal of 54934781 is 18743945.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54934781 - 218 = 54672637 is a prime.
It is a super-2 number, since 2×549347812 = 6035660327035922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54934721) 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, 22616 + ... + 24926.
It is an arithmetic number, because the mean of its divisors is an integer number (7497816).
Almost surely, 254934781 is an apocalyptic number.
It is an amenable number.
54934781 is a deficient number, since it is larger than the sum of its proper divisors (5047747).
54934781 is a wasteful number, since it uses less digits than its factorization.
54934781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4483.
The product of its digits is 120960, while the sum is 41.
The square root of 54934781 is about 7411.8001187296. The cubic root of 54934781 is about 380.1448685870.
The spelling of 54934781 in words is "fifty-four million, nine hundred thirty-four thousand, seven hundred eighty-one".
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