Base | Representation |
---|---|
bin | 1101000110110… |
… | …1000000100010 |
3 | 10211102220000200 |
4 | 3101231000202 |
5 | 103033104300 |
6 | 5242130030 |
7 | 1235154351 |
oct | 321550042 |
9 | 124386020 |
10 | 54972450 |
11 | 29037685 |
12 | 164b0916 |
13 | b5097a0 |
14 | 742d998 |
15 | 4c5d200 |
hex | 346d022 |
54972450 has 72 divisors (see below), whose sum is σ = 159070548. Its totient is φ = 13530240.
The previous prime is 54972443. The next prime is 54972457. The reversal of 54972450 is 5427945.
54972450 is a `hidden beast` number, since 549 + 72 + 45 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (54972443) and next prime (54972457).
It can be written as a sum of positive squares in 6 ways, for example, as 463761 + 54508689 = 681^2 + 7383^2 .
It is not an unprimeable number, because it can be changed into a prime (54972457) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1152 + ... + 10548.
Almost surely, 254972450 is an apocalyptic number.
54972450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 54972450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79535274).
54972450 is an abundant number, since it is smaller than the sum of its proper divisors (104098098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54972450 is a wasteful number, since it uses less digits than its factorization.
54972450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9428 (or 9420 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 54972450 is about 7414.3408338166. The cubic root of 54972450 is about 380.2317376890.
The spelling of 54972450 in words is "fifty-four million, nine hundred seventy-two thousand, four hundred fifty".
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