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53025165 = 3354761137
BaseRepresentation
bin1100101001000…
…1100110001101
310200202221212000
43022101212031
5102033301130
65132302513
71212464214
oct312214615
9120687760
1053025165
1127a27656
1215911a39
13aca734b
14708407b
1549c6260
hex329198d

53025165 has 64 divisors (see below), whose sum is σ = 98565120. Its totient is φ = 27025920.

The previous prime is 53025151. The next prime is 53025169. The reversal of 53025165 is 56152035.

It is not a de Polignac number, because 53025165 - 210 = 53024141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53025169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386977 + ... + 387113.

It is an arithmetic number, because the mean of its divisors is an integer number (1540080).

Almost surely, 253025165 is an apocalyptic number.

It is an amenable number.

53025165 is a deficient number, since it is larger than the sum of its proper divisors (45539955).

53025165 is a wasteful number, since it uses less digits than its factorization.

53025165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53025165 is about 7281.8380234663. The cubic root of 53025165 is about 375.6880169153.

The spelling of 53025165 in words is "fifty-three million, twenty-five thousand, one hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 47 61 135 137 141 183 235 305 411 423 549 685 705 915 1233 1269 1647 2055 2115 2745 2867 3699 6165 6345 6439 8235 8357 8601 14335 18495 19317 25071 25803 32195 41785 43005 57951 75213 77409 96585 125355 129015 173853 225639 289755 376065 387045 392779 869265 1128195 1178337 1963895 3535011 5891685 10605033 17675055 53025165