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52578168 = 23319115303
BaseRepresentation
bin1100100010010…
…0011101111000
310122221020200120
43020210131320
5101430000133
65114533240
71205623056
oct310443570
9118836616
1052578168
1127751835
1215737220
13ab7ba56
146da91d6
154938ab3
hex3224778

52578168 has 32 divisors (see below), whose sum is σ = 138364800. Its totient is φ = 16603488.

The previous prime is 52578143. The next prime is 52578193. The reversal of 52578168 is 86187525.

It is an interprime number because it is at equal distance from previous prime (52578143) and next prime (52578193).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57196 + ... + 58107.

It is an arithmetic number, because the mean of its divisors is an integer number (4323900).

Almost surely, 252578168 is an apocalyptic number.

It is an amenable number.

52578168 is an abundant number, since it is smaller than the sum of its proper divisors (85786632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52578168 is a wasteful number, since it uses less digits than its factorization.

52578168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115331 (or 115327 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 52578168 is about 7251.0804712125. The cubic root of 52578168 is about 374.6293653561.

The spelling of 52578168 in words is "fifty-two million, five hundred seventy-eight thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 115303 230606 345909 461212 691818 922424 1383636 2190757 2767272 4381514 6572271 8763028 13144542 17526056 26289084 52578168