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52193286 = 2322899627
BaseRepresentation
bin1100011100011…
…0100000000110
310122012200201200
43013012200012
5101330141121
65102403330
71202431005
oct307064006
9118180650
1052193286
1127509652
1215590546
13aa75802
146d08c3c
1548aea26
hex31c6806

52193286 has 12 divisors (see below), whose sum is σ = 113085492. Its totient is φ = 17397756.

The previous prime is 52193269. The next prime is 52193291. The reversal of 52193286 is 68239125.

It is a self number, because there is not a number n which added to its sum of digits gives 52193286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449796 + ... + 1449831.

It is an arithmetic number, because the mean of its divisors is an integer number (9423791).

Almost surely, 252193286 is an apocalyptic number.

52193286 is an abundant number, since it is smaller than the sum of its proper divisors (60892206).

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

52193286 is a wasteful number, since it uses less digits than its factorization.

52193286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899635 (or 2899632 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52193286 is about 7224.4920928741. The cubic root of 52193286 is about 373.7130067822.

The spelling of 52193286 in words is "fifty-two million, one hundred ninety-three thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 2899627 5799254 8698881 17397762 26096643 52193286