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54015225 = 35211233281
BaseRepresentation
bin1100111000001…
…1010011111001
310202122020221220
43032003103321
5102311441400
65205422253
71224056535
oct316032371
9122566856
1054015225
1128543490
121610a989
13b262b94
147260bc5
154b1e7a0
hex33834f9

54015225 has 48 divisors (see below), whose sum is σ = 98190144. Its totient is φ = 25984000.

The previous prime is 54015217. The next prime is 54015229. The reversal of 54015225 is 52251045.

It is a happy number.

It is not a de Polignac number, because 54015225 - 23 = 54015217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54015195 and 54015204.

It is not an unprimeable number, because it can be changed into a prime (54015229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192085 + ... + 192365.

It is an arithmetic number, because the mean of its divisors is an integer number (2045628).

Almost surely, 254015225 is an apocalyptic number.

54015225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54015225 is a deficient number, since it is larger than the sum of its proper divisors (44174919).

54015225 is a wasteful number, since it uses less digits than its factorization.

54015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54015225 is about 7349.5050853782. The cubic root of 54015225 is about 378.0118344045.

The spelling of 54015225 in words is "fifty-four million, fifteen thousand, two hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 233 275 281 699 825 843 1165 1405 2563 3091 3495 4215 5825 7025 7689 9273 12815 15455 17475 21075 38445 46365 64075 65473 77275 192225 196419 231825 327365 720203 982095 1636825 2160609 3601015 4910475 10803045 18005075 54015225