Base | Representation |
---|---|
bin | 1101000100000… |
… | …0000111000110 |
3 | 10211002112202120 |
4 | 3101000013012 |
5 | 103011213200 |
6 | 5234150410 |
7 | 1233460245 |
oct | 321000706 |
9 | 124075676 |
10 | 54788550 |
11 | 28a214a3 |
12 | 16422406 |
13 | b473b7b |
14 | 73c295c |
15 | 4c239a0 |
hex | 34401c6 |
54788550 has 24 divisors (see below), whose sum is σ = 135875976. Its totient is φ = 14610240.
The previous prime is 54788543. The next prime is 54788551. The reversal of 54788550 is 5588745.
It is a super-2 number, since 2×547885502 = 6003570422205000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54788551) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182479 + ... + 182778.
It is an arithmetic number, because the mean of its divisors is an integer number (5661499).
Almost surely, 254788550 is an apocalyptic number.
54788550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
54788550 is an abundant number, since it is smaller than the sum of its proper divisors (81087426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54788550 is a wasteful number, since it uses less digits than its factorization.
54788550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365272 (or 365267 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 42.
The square root of 54788550 is about 7401.9288026838. The cubic root of 54788550 is about 379.8072660672.
It can be divided in two parts, 5478 and 8550, that added together give a triangular number (14028 = T167).
The spelling of 54788550 in words is "fifty-four million, seven hundred eighty-eight thousand, five hundred fifty".
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