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52392756 = 223132631277
BaseRepresentation
bin1100011111011…
…1001100110100
310122120211100110
43013313030310
5101403032011
65110543020
71204221363
oct307671464
9118524313
1052392756
11276354a9
1215667a70
13ab15540
146d5b7da
1548edba6
hex31f7334

52392756 has 48 divisors (see below), whose sum is σ = 132257664. Its totient is φ = 16046976.

The previous prime is 52392751. The next prime is 52392761. The reversal of 52392756 is 65729325.

It is an interprime number because it is at equal distance from previous prime (52392751) and next prime (52392761).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52392751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40390 + ... + 41666.

It is an arithmetic number, because the mean of its divisors is an integer number (2755368).

Almost surely, 252392756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52392756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66128832).

52392756 is an abundant number, since it is smaller than the sum of its proper divisors (79864908).

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

52392756 is a wasteful number, since it uses less digits than its factorization.

52392756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1558 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 52392756 is about 7238.2840507955. The cubic root of 52392756 is about 374.1884815454.

The spelling of 52392756 in words is "fifty-two million, three hundred ninety-two thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 263 526 789 1052 1277 1578 2554 3156 3419 3831 5108 6838 7662 10257 13676 15324 16601 20514 33202 41028 49803 66404 99606 199212 335851 671702 1007553 1343404 2015106 4030212 4366063 8732126 13098189 17464252 26196378 52392756