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52707144 = 2337244819
BaseRepresentation
bin1100100100001…
…1111101001000
310200011210121110
43021003331020
5101443112034
65121410320
71210001100
oct311037510
9120153543
1052707144
112782a726
12157999a0
13abc5679
147000200
154961de9
hex3243f48

52707144 has 48 divisors (see below), whose sum is σ = 153284400. Its totient is φ = 15058848.

The previous prime is 52707139. The next prime is 52707169. The reversal of 52707144 is 44170725.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21234 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (3193425).

Almost surely, 252707144 is an apocalyptic number.

It is an amenable number.

52707144 is an abundant number, since it is smaller than the sum of its proper divisors (100577256).

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

52707144 is a wasteful number, since it uses less digits than its factorization.

52707144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44842 (or 44831 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 52707144 is about 7259.9685949734. The cubic root of 52707144 is about 374.9354413309.

Adding to 52707144 its reverse (44170725), we get a palindrome (96877869).

The spelling of 52707144 in words is "fifty-two million, seven hundred seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 44819 89638 134457 179276 268914 313733 358552 537828 627466 941199 1075656 1254932 1882398 2196131 2509864 3764796 4392262 6588393 7529592 8784524 13176786 17569048 26353572 52707144