Base | Representation |
---|---|
bin | 1100010001011… |
… | …0011010011001 |
3 | 10120212001100022 |
4 | 3010112122121 |
5 | 101134101100 |
6 | 5035120225 |
7 | 1163335133 |
oct | 304263231 |
9 | 116761308 |
10 | 51472025 |
11 | 27066770 |
12 | 152a3075 |
13 | a882427 |
14 | 6b9c053 |
15 | 47bae85 |
hex | 3116699 |
51472025 has 12 divisors (see below), whose sum is σ = 69627984. Its totient is φ = 37434000.
The previous prime is 51472019. The next prime is 51472037. The reversal of 51472025 is 52027415.
It is not a de Polignac number, because 51472025 - 210 = 51471001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 51471985 and 51472003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93311 + ... + 93860.
It is an arithmetic number, because the mean of its divisors is an integer number (5802332).
Almost surely, 251472025 is an apocalyptic number.
51472025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
51472025 is a deficient number, since it is larger than the sum of its proper divisors (18155959).
51472025 is a wasteful number, since it uses less digits than its factorization.
51472025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187192 (or 187187 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 51472025 is about 7174.4006718332. The cubic root of 51472025 is about 371.9835643295.
The spelling of 51472025 in words is "fifty-one million, four hundred seventy-two thousand, twenty-five".
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