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54875247 = 372373301
BaseRepresentation
bin1101000101010…
…1010001101111
310211020221200120
43101111101233
5103022001442
65240100023
71234301100
oct321252157
9124227616
1054875247
1128a80649
1216464613
13b4a447b
1474063a7
154c3e4ec
hex345546f

54875247 has 12 divisors (see below), whose sum is σ = 85112856. Its totient is φ = 31357200.

The previous prime is 54875243. The next prime is 54875257. The reversal of 54875247 is 74257845.

It is not a de Polignac number, because 54875247 - 22 = 54875243 is a prime.

It is a super-2 number, since 2×548752472 = 6022585466622018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54875199 and 54875208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54875243) 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, 186504 + ... + 186797.

It is an arithmetic number, because the mean of its divisors is an integer number (7092738).

Almost surely, 254875247 is an apocalyptic number.

54875247 is a deficient number, since it is larger than the sum of its proper divisors (30237609).

54875247 is a wasteful number, since it uses less digits than its factorization.

54875247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373318 (or 373311 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 54875247 is about 7407.7828666883. The cubic root of 54875247 is about 380.0074952354.

The spelling of 54875247 in words is "fifty-four million, eight hundred seventy-five thousand, two hundred forty-seven".

Divisors: 1 3 7 21 49 147 373301 1119903 2613107 7839321 18291749 54875247