Base | Representation |
---|---|
bin | 1101000011101… |
… | …1000101100010 |
3 | 10211001111112100 |
4 | 3100323011202 |
5 | 103010033340 |
6 | 5233511230 |
7 | 1233343245 |
oct | 320730542 |
9 | 124044470 |
10 | 54767970 |
11 | 28a07a94 |
12 | 16412516 |
13 | b4676aa |
14 | 73b925c |
15 | 4c1c830 |
hex | 343b162 |
54767970 has 48 divisors (see below), whose sum is σ = 143165880. Its totient is φ = 14525952.
The previous prime is 54767959. The next prime is 54767971. The reversal of 54767970 is 7976745.
It can be written as a sum of positive squares in 4 ways, for example, as 54154881 + 613089 = 7359^2 + 783^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (54767971) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16186 + ... + 19274.
Almost surely, 254767970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54767970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71582940).
54767970 is an abundant number, since it is smaller than the sum of its proper divisors (88397910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54767970 is a wasteful number, since it uses less digits than its factorization.
54767970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3299 (or 3296 counting only the distinct ones).
The product of its (nonzero) digits is 370440, while the sum is 45.
The square root of 54767970 is about 7400.5384939206. The cubic root of 54767970 is about 379.7597049592.
The spelling of 54767970 in words is "fifty-four million, seven hundred sixty-seven thousand, nine hundred seventy".
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