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52162245 = 335478221
BaseRepresentation
bin1100011011111…
…0111011000101
310122011010011000
43012332323011
5101323142440
65102003513
71202241342
oct306767305
9118133130
1052162245
11274982a3
1215576599
13aa64645
146cdb7c9
1548a5730
hex31beec5

52162245 has 32 divisors (see below), whose sum is σ = 94717440. Its totient is φ = 27224640.

The previous prime is 52162241. The next prime is 52162261. The reversal of 52162245 is 54226125.

It is not a de Polignac number, because 52162245 - 22 = 52162241 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 (52162241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2235 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (2959920).

Almost surely, 252162245 is an apocalyptic number.

It is an amenable number.

52162245 is a deficient number, since it is larger than the sum of its proper divisors (42555195).

52162245 is a wasteful number, since it uses less digits than its factorization.

52162245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282 (or 8276 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 52162245 is about 7222.3434562474. The cubic root of 52162245 is about 373.6389057703.

The spelling of 52162245 in words is "fifty-two million, one hundred sixty-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 47 135 141 235 423 705 1269 2115 6345 8221 24663 41105 73989 123315 221967 369945 386387 1109835 1159161 1931935 3477483 5795805 10432449 17387415 52162245